MICROSEMI CORP
10-K, 1996-12-20
SEMICONDUCTORS & RELATED DEVICES
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<PAGE>
 
                      SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549

                                   FORM 10-K
(Mark One)
[X]  ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d)
             OF THE SECURITIES EXCHANGE ACT OF 1934 [FEE REQUIRED]
                  For the fiscal year ended September 29, 1996
                                            ------------------

                                       OR

[  ]  TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
               SECURITIES EXCHANGE ACT OF 1934 [NO FEE REQUIRED]
         For the transition period from _____________ to _____________

                        Commission file number # 0-8866

                             MICROSEMI CORPORATION
                             ---------------------
             (Exact name of Registrant as specified in its charter)

                Delaware                              95-2110371
- ---------------------------------------------    ----------------------
  (State or other jurisdiction of                  (I.R.S. Employer
   incorporation or organization)                 Identification No.)

2830 South Fairview Street, Santa Ana, CA               92704
- ---------------------------------------------    ----------------------
(Address of principal executive offices)               (Zip Code)

       Registrant's telephone number, including area code (714) 979-8220

          Securities registered pursuant to Section 12(b) of the Act:

                                                    Name of each exchange
               Title of each class                   on which registered
               -------------------                   -------------------
                      None                                  None

          Securities registered pursuant to Section 12(g) of the Act:

                          $.20 par value Common Stock
                          ---------------------------
                                (Title of class)
                                        
Indicate by check mark whether the registrant (1) has filed all reports required
to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during
the preceding 12 months (or for such shorter period that the registrant was
required to file such reports); and (2) has been subject to such filing
requirements for the past 90 days.  YES   X     NO
                                        -----      -----

The aggregate market value of the Common Stock held by non-affiliates of the
registrant, based upon the closing sale price of the Common Stock on December 2,
1996 was approximately $66,073,000.  Shares of Common Stock beneficially held by
each officer and director and by each person who owns 5% or more of the
outstanding Common Stock have been excluded in that such persons may be deemed
to be affiliates.  This determination of affiliate status is not necessarily a
conclusive determination for other purposes.

The number of outstanding shares of Common Stock on December 2, 1996 was
7,964,000.

Documents Incorporated by Reference
- -----------------------------------

Part III:  Portions of the definitive Proxy Statement for the Annual Meeting of
Stockholders to be held on or about February 25, 1997.  This proxy statement
will be filed not later than 120 days after the close of Registrant's fiscal
year ended September 29, 1996.
<PAGE>
 
                                     PART I
                                     ------
ITEM 1.   BUSINESS
          --------

INTRODUCTION
- ------------

  Microsemi Corporation (the "Company") was incorporated in Delaware in 1960.
Its name was changed from Microsemiconductor Corporation in February 1983.  The
principal executive offices of the Company are located at 2830 South Fairview
Street, Santa Ana, California 92704 and its telephone number is (714) 979-8220.
Unless the context otherwise requires, the "Company" and "Microsemi" refer to
Microsemi Corporation and its consolidated subsidiaries.

  Microsemi Corporation is a multinational supplier of high-reliability discrete
semiconductors,  surface mounted assemblies and hi-rel screening and testing
services.  Microsemi's power conditioning semiconductor products and custom
assemblies are employed by the Company's customers in a wide array of aerospace,
defense, medical and other applications ranging from the space shuttles to heart
pacemakers, x-ray and other medical equipment, automotive, computer and
automation products and communications equipment.


PRODUCTS.
- -------- 

  The Company's products include a broad line of discrete semiconductors and
other electronic component products and services principally for military,
aerospace, medical, computer, telecommunications and other high reliability
applications.  These components are used throughout the electronics industry,
with almost all electronic equipment employing zener diodes or rectifiers to
control the direction of electrical current flow, to regulate voltage and to
protect sensitive circuitry from line surges and transient voltage spikes.
Major products are silicon rectifiers, zener diodes, low leakage and high
voltage diodes, temperature compensated zener diodes and a family of
subminiature high power transient suppressor diodes.

  A partial list of additional applications of the Company's products and
services includes:  heart pacer transient shock protector diodes (where the
Company believes it is the leading supplier in that market), low leakage diodes
used in jet aircraft engines and high performance test equipment, high
temperature diodes used in oil drilling sensing elements operating at 200
degrees centigrade, temperature compensated zener or rectifier diodes used in
missile systems, power transistors and other electronic systems.  The Company
currently serves a broad group of customers including Hughes, ITT, Bosch
Telecom, Motorola, Nokia, Lockheed-Martin, AT&T, Loral, Lucent Technologies, and
Honeywell.

  The Company also manufactures semiconductors for commercial applications, such
as automatic surge protectors, transient suppressor diodes used for telephone
applications and computer switching diodes used in computer systems.

MARKETING.
- --------- 

  The Company's marketing strategy has been to concentrate sales efforts in high
reliability and specialty markets.  These markets require superior product
performance and technical assistance to satisfy demanding customer needs.

  The Company's products are marketed through domestic electronic component
sales representatives and the Company's inside sales force directly to original
equipment manufacturers.  The Company also employs industrial distributors to
service its customers' needs for standard catalog products.  For fiscal year
1996, the Company's domestic direct sales force accounted for 35% of the
Company's domestic sales, while sales representatives and distributors accounted
for approximately  20% and 15%, respectively.  The Company has direct sales
offices in Los Angeles, Long Island, Phoenix, Boston, Santa Ana, Denver,
Chicago, West Palm Beach, Minneapolis, Hong 

                                       2
<PAGE>
 
Kong and Ireland. Sales to foreign customers, made through the Company's direct
domestic sales force and 36 overseas sales representatives and distributors,
accounted for approximately 30% of fiscal year 1996 sales.

  No one customer accounted for more than 3% of the Company's revenue in fiscal
year 1996.  However, approximately 35% of the Company's business is to customers
whose principal sales are to the U.S. Government.

  In the ordinary course of business, Microsemi Corporation enters into purchase
agreements with some of its major customers to supply the Company's products
over periods of up to 18 months.


RESEARCH AND DEVELOPMENT.
- ------------------------ 

  The Company spent approximately $1,020,000, $755,000 and $922,000 in fiscal
years 1996, 1995 and 1994, respectively, for research and development, none of
which was customer sponsored.

  The principal focus of the Company's research and development activities has
been to improve processes and to develop new products that support the growth of
its high reliability and commercial businesses.


MANUFACTURING AND SUPPLIERS.
- --------------------------- 

  The Company's principal domestic semiconductor manufacturing operations are
located in Santa Ana, California; Broomfield, Colorado; Scottsdale, Arizona and
Watertown, Massachusetts.  Each operates independently with its own wafer
processing, assembly, testing and high reliability testing and screening
departments.

  The Company's domestic semiconductor plants manufacture and process all
products and assemblies starting from purchased silicon wafers and piece parts.
Manufacturing and processing operations are controlled in accordance with
military as well as other rigid commercial and industrial specifications.

  A major portion of the Company's semiconductor manufacturing effort takes
place after the semiconductor is assembled.  Parts are tested a number of times,
visually screened and environmentally subjected to shock, vibration, "burn in"
and electrical tests in order to prove and assure reliability.

  The Company's Bombay, India facility assembles a commercial zener diode line
for the purpose of competing in the lower cost commercial and consumer markets.
This plant also performs subcontract coil manufacturing for one of the Company's
customers.

  The Company's Hong Kong subsidiary, Microsemi (H.K.) Ltd., produces diode
products for major commercial customers.  The Hong Kong subsidiary utilizes
diode chips manufactured in the U.S. plants and assembles, tests and finishes
the products.  The plant is approved for assembly of certain military specified
diodes.

  The Company's Ennis, Ireland operation manufactures diodes, rectifiers,
zeners, thyristors and transistors and supports the other Microsemi operations.
This plant is Defense Electronics Supply Center (DESC) approved by the U.S.
government to screen high reliability product to Military Specification Standard
MIL-S-19500 and is also European Space Agency qualified.  A Trading Company has
been established at this facility for stocking/shipping products from U.S. and
Asian locations for European customers.

                                       3
<PAGE>
 
  The Company purchases silicon wafers, glass sleeves, tungsten slugs and lead
wires from domestic and foreign suppliers generally on long-term purchase
commitments which are cancelable with 30 to 90 day notice.  With the exception
of glass sleeves for the Santa Ana and Watertown high reliability diode products
and glass to metal sealed parts for a portion of the Santa Ana and Scottsdale
computer diode and zener diode business, all material is available from multiple
sources.  In the case of sole source items, the Company has never suffered
production delays as a result of vendors' inability to supply the parts.  The
Company stocks what it believes are adequate supplies of all materials based
upon backlog, delivery lead time and anticipated new business.

  The Company's component testing and screening operations purchase
semiconductor die and assembled components.  These parts are available from a
number of leading semiconductor manufacturers.

  The Company's surface mounted assembly operations design custom circuit boards
and purchase component parts.  These parts are then assembled using pick and
place machines as well as other sophisticated test equipment to meet customer
requirements.


FOREIGN OPERATIONS
- ------------------

  The Company conducts a portion of its operations outside the United States and
its business is subject to risks associated with many factors beyond its
control, such as fluctuations in foreign currency rates, instability of foreign
economies and governments, and changes in U.S. and foreign laws and policies
affecting trade and investment. The Company owns or leases manufacturing and
assembling facilities in Ennis, Ireland; Bombay, India and Hong Kong and is in
the process of establishing a joint venture in The People's Republic of China
(PRC).  In July 1997, Hong Kong will be returned to the People's Republic of
China.  The government of the PRC has not announced any significant changes in
the conduct of businesses in Hong Kong; however, there can be no assurance that
such expected changes will not be made in the future or that the transition of
Hong Kong to the PRC will not have any adverse effect to the investment and the
results of operations of the Company.


SALES TO FOREIGN CUSTOMERS
- --------------------------

  Sales to foreign customers represented approximately 30%, 20% and 17% of net
sales for the 1996, 1995 and 1994 fiscal years, respectively.  Foreign sales may
be subject to political and economic risks, including political instability,
changes in import/export regulations, tariffs and freight rates and difficulties
in collecting receivables and enforcing contracts generally.  Changes in tariff
structures, exchange rates or other trade policies could adversely affect the
Company's sales to foreign customers or the collection of receivables generated
from such sales.


ORDER BACKLOG.
- ------------- 

  The Company's consolidated order backlog at September 29, 1996 (primarily for
delivery within nine months) increased by 8% to $68,000,000 as compared to
$62,700,000 at October 1, 1995.  The mix of new orders reflects a flat demand in
military related business and an increase in commercial, industrial, medical and
space business. See discussion of changes in military procurement practices in
Management's Discussion and Analysis of Financial Condition and Results of
Operations.

  Lead times for the release of purchase orders depend upon the scheduling
practices of individual customers. The delivery times of new or non-standard
products can be affected by scheduling factors and other manufacturing

                                       4
<PAGE>
 
considerations.  The rate of booking new orders can vary significantly from
month to month.  For these reasons, and because of the possibility of customer
changes in delivery schedules or cancellations of orders, the Company's backlog
as of any particular date may not be representative of actual sales for any
succeeding period.

  A portion of the Company's sales are to military and aerospace markets which
are subject to the business risk of changes in governmental appropriations and
changes in national defense policies and priorities.  See discussion of changes
in military procurement practices in Management's Discussion and Analysis of
Financial Condition and Results of Operations.  All of the Company's contracts
with prime U.S. Government contractors contain customary provisions permitting
termination at any time at the convenience of the U.S. Government or the prime
contractors upon payment to the Company for costs incurred plus a reasonable
profit.  Certain contracts are also subject to price renegotiation in accordance
with U.S. Government sole source procurement provisions.  No material contract
of the Company has been terminated or renegotiated.


COMPETITION.
- ----------- 

  The Company competes primarily in the discrete semiconductor market,
particularly in the area of high reliability components.  The Company has
numerous competitors across all of its product lines.  In the defense market
sector, the Company possesses the major share of the market.  In the
commercial/industrial arena, there are numerous competitors such as Motorola,
Inc., General Instruments Corp., ITT Corp. and National Semiconductor who are
significantly larger than Microsemi and have greater resources and larger market
shares.  Competition in certain of its product lines is dependent on price and
performance.  Microsemi has been well regarded by its customers in the high
reliability area where competition is dependent less on price and more on
product reliability and performance.


CHANGES IN TECHNOLOGY
- ---------------------

  The power semiconductor market is subject to technological change and changes
in industry standards.  To remain competitive, the Company must continue to
devote resources to advance process technologies, to increase product
performance, to improve manufacturing yields and to improve the mix between the
Company's shipment of military and commercial product and between its high cost
and low cost products.  There can be no assurance that the Company's competitors
will not develop new technologies that are substantially equivalent or superior
to the Company's technology.


PROPRIETARY RIGHTS
- ------------------

  The Company generally does not have, nor does it generally intend to apply
for, patent protection on any aspect of its technology.  The Company believes
that patents often provide only narrow protection and patents require public
disclosure of information which may otherwise be subject to trade secret
protection.  The Company's reliance upon protection of some of its technology as
"trade secrets" will not necessarily protect the Company from the use by other
persons of its technology, or their use of technology that is similar or
superior to that which is embodied in the Company's trade secrets. There can be
no assurance that others will not be able to independently duplicate or exceed
the Company's technology in whole or in part.  No  assurances can be made that
the Company will be able to maintain the confidentiality of the Company's
technology, dissemination of which could have an adverse effect on the Company's
business.  In addition, litigation may be necessary to determine the scope and
the validity of the Company's proprietary rights.  There can be no assurance
that any patents held by the Company will not be 

                                       5
<PAGE>
 
challenged, invalidated or circumvented, or that the rights granted thereunder
will provide competitive advantages to the Company.


MANUFACTURING RISKS
- -------------------

  The Company's manufacturing processes are highly complex, require advanced and
costly equipment and are continuously being modified in an effort to improve
yields and product performance.  Minute impurities or other difficulties in the
manufacturing process can lower yields.  In addition, California and the Pacific
Rim are known to contain various earthquake faults.  The Company's operations
could be materially adversely affected if production at any of its major
facilities were interrupted.  There can be no assurance that the Company will
not experience manufacturing difficulties in the future.


EMPLOYEES.
- --------- 

  On September 29, 1996, the Company employed 1,662 persons domestically
including 106 in engineering, 1,331 in manufacturing, 101 in marketing and 124
in general management and administration.  Additionally, 717 persons were
employed in the Company's Hong Kong, Bombay, India, and Ennis, Ireland
operations.  None of the Company's employees is represented by a labor union.
The Company has experienced no work stoppage.  The Company believes its employee
relations are good.


DEPENDENCE ON KEY PERSONNEL
- ---------------------------

  The Company's future performance is significantly dependent on the continued
active participation of members of its current management.  The Company does not
have written employment contracts with its employees.  Should one or more of the
Company's key management employees leave or otherwise become unavailable to the
Company, the Company's business and results of operations may be materially
adversely affected.


PRODUCT LIABILITY
- -----------------

  The Company's business exposes it to potential liability risks that are
inherent in the manufacturing and marketing of high-reliability electronic
components for critical applications.  No assurances can be made that the
Company's product liability insurance coverage is adequate or that present
coverage will continue to be available at acceptable costs, or that a product
liability claim would not adversely affect the business or financial condition
of the Company.


CHANGE OF CONTROL PROVISIONS
- ----------------------------

  The Company's Certificate of Incorporation, Bylaws, Shareholder Rights Plan
and certain employment compensation plans contain provisions that make it more
difficult for a third party to acquire, or that may discourage a third party
from attempting to acquire, control of the Company.  In addition, as a Delaware
corporation, the Company is subject to the restrictions imposed under Section
203 of the Delaware General Corporation Law which may deter the Company from
engaging in certain change of control transactions with certain of its
stockholders under certain circumstances.

                                       6
<PAGE>
 
ENVIRONMENTAL REGULATION
- ------------------------

  While the Company believes that it has the environmental permits necessary to
conduct its business and that its activities conform to present environmental
regulations, increased public attention has been focused on the environmental
impact of semiconductor operations.  The Company, in the conduct of its
manufacturing operations, has handled and does handle materials that are
considered hazardous, toxic or volatile under federal, state and local laws and,
therefore, is subject to regulations relating to their use, storage, discharge
and disposal.  No assurances can be made that the risk of accidental release of
such materials can be completely eliminated.  In addition, the Company operates
or owns facilities located on or near real property that may formerly have been
used in ways that involved such materials.  In the event of a violation of
environmental laws, the Company could be held liable for damages and the costs
of remediation, and, along with the rest of the semiconductor industry, is
subject to variable interpretations and governmental priorities concerning
environmental laws and regulations.  Environmental statutes have been
interpreted to provide for joint and several liability and strict liability
regardless of actual fault.  There can be no assurance that the Company and its
subsidiaries will not be required to incur costs to comply with, or that the
operations, business, or financial condition of the Company will not be
materially adversely affected by, current or future environmental laws or
regulations.


IMPORTANT FACTORS RELATED TO FORWARD-LOOKING STATEMENTS AND ASSOCIATED RISKS
- ----------------------------------------------------------------------------

  This Form 10-K contains certain forward-looking statements that are based on
current expectations and involve a number of risks and uncertainties.  The
forward looking statements included herein are, among other items, based on
current assumptions that the Company will be able to meet its current operating
cash and debt service requirements with internally generated funds and its
available line of credit, that it will be able to successfully resolve disputes
and other business matters as anticipated, that competitive conditions within
the semiconductor, surface mount and custom diode assembly industries will not
change materially or adversely, that the Company will retain existing key
personnel, that the Company's forecasts will reasonably anticipate market demand
for its products, and that there will be no materially adverse change in the
Company's operations or business. Assumptions relating to the foregoing involve
judgements that are difficult to predict accurately and are subject to many
factors that can materially affect results.  Forecasting and other management
decisions are subjective in many respects and thus susceptible to
interpretations and periodic revisions based on actual experience and business
developments, the impact of which may cause the Company to alter its forecasts,
which may in turn affect the Company's results.  In light of the factors that
can materially affect the forward-looking information included herein, the
inclusion of such information should not be regarded as a representation by the
Company or any other person that the objectives or plans of the Company will be
achieved.

ITEM 2.   PROPERTIES
          ----------

  The Company's headquarters are located in a building complex located in Santa
Ana, California.  This complex contains general offices, engineering and
manufacturing space.  The Company owns office, engineering and production
facilities in Santa Ana, California; Broomfield, Colorado; Garland, Texas;
Watertown, Massachusetts; Ennis, Ireland; Bombay, India and Hong Kong and leases
office, engineering and production facilities in Scottsdale, Arizona and
Mooresville, North Carolina.  As described in Note 8 to the Consolidated
Financial Statements, the acquisitions of land, buildings and additions in Santa
Ana and Broomfield were accomplished through the issuance of Industrial
Development Bonds.  Deeds of trust on the related properties were granted as
security for the bonds.

  The Company believes that its existing facilities are well-maintained and in
good operating condition and that they are adequate for its immediately
foreseeable business needs.

                                       7
<PAGE>
 
ITEM 3.   LEGAL PROCEEDINGS
          -----------------

  The State of Washington, Department of Ecology proposed finding that the
Company is a potentially liable party for the study and cleanup of certain
hazardous substances which allegedly contaminated what has come to be known as
the Yakima Railroad Area Site.  The State of Washington claims that the Company
was one of the potentially liable parties that arranged for the disposal of
those hazardous substances through Cameron-Yakima Incorporated, a company that
the State of Washington claims has caused or contributed to the contamination on
the site through its operation of a hazardous waste treatment facility.  The
Company has joined a group of companies, which anticipates resolving its
liability with the State of Washington.  The Company has provided $50,000 for
the estimated settlement cost in the fiscal year ended September 29, 1996.  In
the opinion of management, the final resolution of this matter is not expected
to have a materially adverse effect on the Company's financial position or
results of operations.

  In Broomfield, Colorado, the owner of a property located adjacent to the
manufacturing facility owned by a subsidiary of the Company filed suit against
the subsidiary and other parties, claiming that contaminants migrated to his
property, thereby diminishing its value.  In August 1995, the subsidiary,
together with the former owners of the manufacturing facility, agreed to settle
the claim and to indemnify the owner of the adjacent property from remediation
costs.  Although TCE and other contaminants previously used at the facility are
present in soil and groundwater on the subsidiary's property, the Company
vigorously contests any assertion that the subsidiary is the cause of the
contamination; however, there can be no assurance that recourse will be
available against third parties. State and local agencies in Colorado are
reviewing current data and considering study and cleanup options, and it is not
yet possible to predict costs for remediation or the allocation thereof among
potentially responsible parties.

ITEM 4.   SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS
          ---------------------------------------------------

  None.

                                       8
<PAGE>
 
                                    PART II
                                    -------

ITEM 5.   MARKET FOR REGISTRANT'S COMMON STOCK AND RELATED STOCKHOLDER MATTERS
          --------------------------------------------------------------------

  (a)     Market Information
          ------------------

          The Company's Common Stock is traded on the NASDAQ National Market
  under the symbol MSCC.  The following table sets forth the high and low
  closing prices at which the Company's Common Stock traded as reported on the
  NASDAQ National Market System.

<TABLE>
<CAPTION>
                                       HIGH      LOW
                                       -------   ---
<S>                                    <C>         <C>

Fiscal Year ended September 29, 1996
 
 1st Quarter........................   $  11 3/4   $8 5/8
 2nd Quarter........................      10 1/2    7 1/2
 3rd Quarter........................    10 11/16    8 3/8
 4th Quarter........................          11    8 1/4
 
<CAPTION>
                                       HIGH      LOW
                                       -------   ---
<S>                                    <C>         <C>
Fiscal Year ended October 1, 1995
 
 1st Quarter........................   $   5 3/8   $4 1/8
 2nd Quarter........................       5 5/8    4 5/8
 3rd Quarter........................       9 1/8    5 1/8
 4th Quarter........................          14    9 1/8
</TABLE>

  POSSIBLE VOLATILITY OF STOCK PRICES
  -----------------------------------

     The market prices of securities issued by technology companies, including
  the Company, have been volatile. The securities of many technology companies
  have experienced extreme price and volume fluctuations, which have often been
  not necessarily related to the companies' respective operating performances.
  Quarter to quarter variations in operating results, changes in earnings
  estimates by analysts, announcements of technological innovations or new
  products, announcements of major contract awards, events involving other
  companies in the industry and other events or factors may have a significant
  impact on the market price of the Company's Common Stock.

  (b) Approximate Number of Common Equity Security Holders
      ----------------------------------------------------
  
<TABLE> 
<CAPTION> 
                                                       Approximate Number of
                                                         Record Holders
          Title of Class                           (as of September 29, 1996)
          --------------                           --------------------------
          <S>                                      <C> 
          Common Stock, $.20 Par Value                            560 (1)
</TABLE> 

(1)    The number of stockholders of record includes the beneficial holders of
       shares held in "nominee" or "street name", as a unit.

 

                                       9
<PAGE>
 
(c)      Dividends
         ---------
          The Company has not paid dividends in the last five years and has no
  current plans to do so.
 
ITEM 6.  SELECTED FINANCIAL DATA
         -----------------------
<TABLE> 
<CAPTION> 
                                                                       For the five fiscal years in the period ended
                                                                                         September 29, 1996
                                                                -----------------------------------------------------------
                                                                  1996       1995        1994(2)(3)      1993      1992 (1)
                                                                --------   ---------     ---------    ---------  ----------
                                                                      (Amounts in 000's except per share amounts)
<S>                                                             <C>        <C>           <C>          <C>        <C>
Selected Income Statement Data:
- ------------------------------
Net sales                                                       $157,435   $133,881       $119,230    $123,816   $ 88,719
Gross profit                                                    $ 42,115   $ 35,795       $ 22,438    $ 28,729   $ 22,261
Operating expenses                                              $ 23,164   $ 20,279       $ 20,579    $ 19,938   $ 14,794
Income (loss) before extraordinary
 item and cumulative effect of
 accounting change                                              $  8,100   $  6,053       $ (2,130)   $  1,763   $  1,053
Earnings (loss)  per share
  Primary                                                       $    .98   $    .74       $   (.28)   $    .23   $    .14
  Fully diluted                                                 $    .80   $    .62       $   (.28)   $    .21   $    .14
 
Common and
 common equivalent shares
  Primary                                                          8,288      8,213          7,573       7,753      7,579
  Fully diluted                                                   11,805     11,861          7,573       9,043      7,864
 
Selected Balance Sheet Data:
- ---------------------------
Working capital                                                 $ 49,556   $ 45,714       $ 35,128    $ 35,315   $ 33,826
 
Total assets                                                    $114,439   $104,815       $100,149    $105,469   $111,918
 
Long-term debt                                                  $ 46,420   $ 48,398       $ 50,568    $ 51,871   $ 54,037
 
Stockholders' equity                                            $ 29,408   $ 21,110       $ 14,788    $ 16,835   $ 13,758
</TABLE>

(1)  In July 1992, the Company acquired substantially all of the assets of the
     Semiconductor Products Division of Unitrode Corporation.

(2)  In September 1994, the Company recorded a charge to reduce the carrying
     value of military related inventories and other assets and certain non-
     military related assets where there had been a permanent reduction in
     value. (See Note 5 to Notes to Consolidated Financial Statements).

(3)  During 1994, the Company disposed of substantially all the assets of Omni
     Technology Corporation, a wholly owned subsidiary of the Company. (See Note
     11 to Notes to Consolidated Financial Statements).

     The selected financial data should be read in conjunction with the
Consolidated Financial Statements and Notes thereto, and Management's Discussion
and Analysis of Financial Condition and Results of Operations included in the
Form 10-K.

                                       10
<PAGE>
 
ITEM 7.  MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS
         -----------------------------------------------------------------------
         OF OPERATIONS
         -------------

CAPITAL RESOURCES & LIQUIDITY
- -----------------------------

     Microsemi Corporation's operations in the fiscal year 1996 were funded with
internally generated funds and borrowings under the Company's line of credit.
In September 1996, the Company obtained a new credit line with a bank.  Under
the current line of credit, the Company can borrow up to $15,000,000.  As of
September 29, 1996, $4,214,000 was borrowed under this credit facility.  At
September 29, 1996, the Company had $4,059,000 in cash and cash equivalents.

     A $5,350,000 Industrial Development Revenue Bond was originally issued in
April 1985, through the City of Santa Ana Industrial Development Authority for
the construction of improvements and new facilities at the Santa Ana plant.  It
was remarketed in 1995 and carries an average interest rate of 6.75% per annum.
The terms of the bond require principal payments of $1,050,000 in 1998, $100,000
annually from 1999 to 2004 and $3,700,000 in 2005.  A $5,557,000 letter of
credit is carried by a bank to guarantee the repayment of this bond.  There are
no compensating balance requirements, however, the letter of credit agreement
requires the Company to make collateral payments of $350,000 on February 1,
1996, 1997 and 1998, totaling $1,050,000, to complete the payment of principal
scheduled for February 1, 1998.

     Based upon information currently available, the Company believes that it
can meet its current operating cash and debt service requirements with
internally generated funds together with its available borrowings.

     The Company's revenues continue to be partially dependent on military and
aerospace programs. Reductions in defense spending had and will continue to have
a negative impact on the Company's operations. Furthermore, there were
Department of Defense (DOD) announcements of major changes in defense
procurement policy, which included official notification, on August 22, 1994, of
Department of Defense acquisition reform to utilize best commercial practices
instead of mandatory use of military standard parts.  In the past three years,
military related business has declined from approximately 50% to 30% of total
revenues.  The decrease in shipments of military related parts has been more
than offset by the increase in shipments of commercial, industrial, medical and
space related products.  In addition, the Company continues to develop
commercial applications for its products to offset this decrease.  Although the
final impact of the changes in Department of Defense procurement practices is
not known, management believes that, either through associated cost reductions
or increases in shipments of non Department of Defense products, it will not
have a significant impact on total future revenues, operations or cash flows of
the Company (see Note 5 to the Consolidated Financial Statements).

     The average collection period on accounts receivable was 52 days for the
fiscal years 1996 and 1995.

     The average days sales of product in inventories decreased to 143 days for
fiscal year 1996 compared to 155 days for fiscal year 1995 due primarily to the
increase in sales over the prior year.

     On October 25, 1996, Microsemi purchased certain assets and the right to
manufacture a selected group of products of the high-reliability portion of SGS
Thompson's Radio Frequency (RF) Semiconductor business in Montgomeryville,
Pennsylvania.  The purchase price comprised approximately $2,200,000 in cash and
a $700,000 note payable.

     The Company has no other significant capital commitments.

                                       11
<PAGE>
 
RESULTS OF OPERATIONS FOR THE FISCAL YEAR 1996 COMPARED TO THE FISCAL YEAR 1995.
- --------------------------------------------------------------------------------

     Net sales for fiscal year 1996 increased to $157,435,000, or 18%, from
$133,881,000 for fiscal year 1995. The increase of $23,554,000 was due to higher
volume of shipments of commercial, industrial and telecommunications and
commercial applications, reflecting the increasing demand for the Company's
products in these markets,  which included an increase in sales to foreign
customers.

     Gross profit increased $6,320,000 to $42,115,000 for the current fiscal
year from $35,795,000 for the prior year, primarily due to the higher sales
levels.  Gross profit, as a percentage of sales, has remained relatively
consistent at 27% for fiscal years 1996 and 1995.

     Selling expenses increased $1,163,000 to $9,027,000 for fiscal year 1996,
compared to fiscal year 1995, primarily due to increases in commission, salaries
and related costs consistent with the increase in sales and an increase in
marketing and promotional efforts during 1996.  General and administrative
expenses in the current year increased $1,715,000 as compared to those of the
prior year.  This increase was primarily the result of an increase in general
and administrative support services and related costs needed to support the
continuing growth of the Company.

     Interest expense decreased $582,000 to $4,440,000 for fiscal year 1996 from
$5,022,000 in fiscal year 1995 primarily due to lower overall borrowings
throughout 1996 as compared to 1995, combined with a decrease in interest rates
on the Company's Industrial Development Revenue Bond which was remarketed during
1995.

     The effective income tax rates of 42% and 41% for the fiscal years 1996 and
1995, respectively, are the combined results of income taxes computed on foreign
and domestic income.


RESULTS OF OPERATIONS FOR THE FISCAL YEAR  1995 COMPARED TO THE FISCAL YEAR
- ---------------------------------------------------------------------------
1994.
- -----


         Net sales for fiscal year 1995 increased to $133,881,000, or 12%, from
$119,230,000 for fiscal year 1994.  The increase of $14,651,000 was due to
higher volume of shipments of commercial,  industrial and telecommunications
products, reflecting the Company's effort to shift toward these markets, and the
increase of demand in the electronics industry in general.

         Gross profit increased $13,357,000 to $35,795,000 for the current
fiscal year from $22,438,000 for the prior year.  In fiscal year 1994, cost of
sales included a $7,258,000 reduction in the carrying values of certain military
and non-military related inventories to reflect their estimated net realizable
values.  Without this reduction, gross profit for fiscal year 1994 would have
been $29,696,000, or 25% of sales compared to 27% for the current fiscal year.
The remaining increase in gross profit as a percentage of sales in fiscal year
1995 compared to fiscal year 1994 was primarily due to higher absorption of
fixed overhead costs as a result of increased production.

         General and administrative expenses for fiscal year 1995 increased
$2,038,000; however, general and administrative expenses as a percentage of
sales have remained relatively consistent at 9% for fiscal years 1995 and 1994.

         The effective income tax (benefit) rates of 41% and (39%) for the
fiscal years 1995 and 1994, respectively, are the combined results of income
taxes (benefits) computed on foreign and domestic income (loss).

                                       12
<PAGE>
 
ITEM 8.  FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA
         -------------------------------------------

       Microsemi Corporation-Index to Financial Statements
       ---------------------------------------------------
<TABLE>
<CAPTION> 
                                                                                     Page 
                                                                                     ----
<S>                                                                                  <C>   
     1.   Consolidated Financial Statements                            
          ---------------------------------   
 
          Report of Independent Accountants                                           14
 
          Consolidated Balance Sheets at September 29,
           1996 and October 1, 1995                                                   15
 
          Consolidated Statements of Operations for each of the three fiscal years
          in the period ended September 29, 1996                                      16
 
          Consolidated Statements of Stockholders' Equity for each of the three
          fiscal years in the period ended September 29, 1996                         17
 
          Consolidated Statements of Cash Flows for each of the three fiscal years
          in the period ended September 29, 1996                                     18
 
          Notes to Consolidated Financial Statements                                 19

     2.   Financial Statement Schedule
          ----------------------------

          Schedule for the fiscal years ended September 29, 1996, October 1,
          1995 and October 2, 1994.

          Schedule
          --------

          II   -    Valuation and Qualifying Accounts                                34

          Financial statement schedules not listed above are either omitted
          because they are not applicable or the required information is shown
          in the consolidated financial statements or in the notes thereto.
</TABLE> 

                                       13
<PAGE>
 
REPORT OF INDEPENDENT ACCOUNTANTS
- ---------------------------------



To the Board of Directors
and Stockholders of
Microsemi Corporation

In our opinion, the consolidated financial statements and financial statement
schedule listed in the accompanying index present fairly, in all material
respects, the financial position of Microsemi Corporation and its subsidiaries
at September 29, 1996 and October 1, 1995, and the results of their operations
and their cash flows for each of the three fiscal years in the period ended
September 29, 1996, in conformity with generally accepted accounting principles.
These financial statements are the responsibility of the Company's management;
our responsibility is to express an opinion on these financial statements based
on our audits.  We conducted our audits of these statements in accordance with
generally accepted auditing standards which require that we plan and perform the
audit to obtain reasonable assurance about whether the financial statements are
free of material misstatement.  An audit includes examining, on a test basis,
evidence supporting the amounts and disclosures in the financial statements,
assessing the accounting principles used and significant estimates made by
management, and evaluating the overall financial statement presentation.  We
believe that our audits provide a reasonable basis for the opinion expressed
above.



PRICE WATERHOUSE LLP
Costa Mesa, California
November 21, 1996

                                       14
<PAGE>
 
                     MICROSEMI CORPORATION AND SUBSIDIARIES
                          CONSOLIDATED BALANCE SHEETS
                               (amounts in 000's)
<TABLE>
<CAPTION>
                                                                      September 29,   October 1,
                              ASSETS                                      1996           1995
                                                                      -------------   ----------
<S>                                                                   <C>             <C>
 
Current assets
  Cash and cash equivalents                                                $  4,059     $  3,965
  Accounts receivable, less allowance for doubtful accounts of
    $2,159 in 1996 and $2,018 in 1995                                        24,740       20,191
  Inventories                                                                47,279       43,281
  Deferred income taxes, net                                                  6,952        5,471
  Other current assets                                                        1,202        4,375
                                                                           --------     --------
TOTAL CURRENT ASSETS                                                         84,232       77,283
                                                                           --------     --------
 
Property and equipment, net                                                  25,641       23,602
                                                                           --------     --------
Deferred income taxes, net                                                      675          569
                                                                           --------     --------
Other assets                                                                  3,891        3,361
                                                                           --------     --------
 
                                                                           $114,439     $104,815
                                                                           ========     ========
 
LIABILITIES AND STOCKHOLDERS' EQUITY
 
Current liabilities
  Notes payable to banks and others                                        $  4,552     $  4,561
  Current maturities of long-term debt                                        1,625        2,328
  Accounts payable                                                            8,013        6,774
  Accrued liabilities                                                        15,042       13,178
  Income taxes payable                                                        4,694        4,016
  Deferred income taxes                                                         750          712
                                                                           --------     --------
TOTAL CURRENT LIABILITIES                                                    34,676       31,569
                                                                           --------     --------
 
Deferred income taxes                                                         1,973        1,864
                                                                           --------     --------
Long-term debt                                                               46,420       48,398
                                                                           --------     --------
Other long-term liabilities                                                   1,962        1,874
                                                                           --------     --------
 
Commitments and contingencies (Notes 8 & 10)
 
Stockholders' equity
  Common stock, $.20 par value; authorized 20,000 shares; issued
        7,908 in 1996 and 7,789 in 1995                                       1,582        1,558
  Capital in excess of par value of stock                                    14,895       14,644
  Retained earnings                                                          12,931        4,908
                                                                           --------     --------
TOTAL STOCKHOLDERS' EQUITY                                                   29,408       21,110
                                                                           --------     --------
 
                                                                           $114,439     $104,815
                                                                           ========     ========
</TABLE>
        The accompanying notes are an integral part of these statements.

                                       15
<PAGE>
 
                     MICROSEMI CORPORATION AND SUBSIDIARIES
                     CONSOLIDATED STATEMENTS OF OPERATIONS
                 (amounts in 000's, except earnings per share)

   For each of the three fiscal years in the period ended September 29, 1996
<TABLE>
<CAPTION>
 
                                                              1996        1995        1994
                                                            ---------   ---------   ---------
<S>                                                         <C>         <C>         <C>
 
Net sales                                                   $157,435    $133,881    $119,230
Cost of sales                                                115,320      98,086      96,792
                                                            --------    --------    --------
      GROSS PROFIT                                            42,115      35,795      22,438
                                                            --------    --------    --------
 
Operating expenses
  Selling                                                      9,027       7,864       7,450
  General and administrative                                  13,916      12,201      10,163
  Amortization of goodwill and other intangible assets           221         214         251
  Reduction in carrying value of assets                            -           -       2,715
                                                            --------    --------    --------
      TOTAL OPERATING EXPENSES                                23,164      20,279      20,579
                                                            --------    --------    --------
 
      INCOME FROM OPERATIONS                                  18,951      15,516       1,859
                                                            --------    --------    --------
 
Other expense
  Interest expense, net                                       (4,440)     (5,022)     (5,094)
  Other                                                         (545)       (234)       (282)
                                                            --------    --------    --------
      TOTAL OTHER EXPENSE                                     (4,985)     (5,256)     (5,376)
                                                            --------    --------    --------
 
Income (loss) before income taxes                             13,966      10,260      (3,517)
Provision (benefit) for income taxes                           5,866       4,207      (1,387)
                                                            --------    --------    --------
 
NET INCOME (LOSS)                                           $  8,100    $  6,053    $ (2,130)
                                                            ========    ========    ========
 
PRIMARY EARNINGS (LOSS) PER SHARE                               $.98        $.74       $(.28)
                                                            ========    ========    ========
 
FULLY DILUTED EARNINGS (LOSS) PER SHARE                         $.80        $.62       $(.28)
                                                            ========    ========    ========
</TABLE>

        The accompanying notes are an integral part of these statements.

                                       16
<PAGE>
 
                     MICROSEMI CORPORATION AND SUBSIDIARIES
                CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY
                               (amounts in 000's)

   For each of the three fiscal years in the period ended September 29, 1996
<TABLE>
<CAPTION>
 
                                                                       Capital in    Retained  
                                                 Common Stock          excess of     earnings          
                                         ---------------------------   par value  (accumulated
                                            Shares         Amount      of stock     deficit)      Total
                                         ------------   ------------   --------   ------------   --------
<S>                                      <C>            <C>            <C>        <C>            <C>
 
BALANCE AT OCTOBER 3, 1993                      7,548         $1,510    $14,318   $ 1,007        $16,835
 
 Net loss                                           -              -          -    (2,130)        (2,130)
 Exercise of employee stock options                47              9         79         -             88
 Currency translation loss                          -              -          -        (5)            (5)
                                                -----         ------    -------   -------        -------
BALANCE AT OCTOBER 2, 1994                      7,595          1,519     14,397    (1,128)        14,788
 
 Net income                                         -              -          -     6,053          6,053
 Exercise of employee stock options               194             39        247         -            286
 Currency translation loss                          -              -          -       (17)           (17)
                                                -----         ------    -------   -------        -------
BALANCE AT OCTOBER 1, 1995                      7,789          1,558     14,644     4,908         21,110
 Net income                                         -              -          -     8,100          8,100
 Exercise of employee stock options                66             13        162         -            175
 Conversion of notes payable                       53             11         89         -            100
 Currency translation loss                          -              -          -       (77)           (77)
                                                -----         ------    -------   -------        -------
BALANCE AT SEPTEMBER 29, 1996                   7,908         $1,582    $14,895   $12,931        $29,408
                                                =====         ======    =======   =======        =======
</TABLE>

        The accompanying notes are an integral part of these statements.

                                       17
<PAGE>
 
                     MICROSEMI CORPORATION AND SUBSIDIARIES
                     CONSOLIDATED STATEMENTS OF CASH FLOWS
                               (amounts in 000's)
   For each of the three fiscal years in the period ended September 29, 1996
<TABLE>
<CAPTION>
                                                                            1996       1995       1994
                                                                          --------   --------   --------
<S>                                                                       <C>        <C>        <C>
CASH FLOWS FROM OPERATING ACTIVITIES
 
Net income (loss)                                                         $ 8,100    $ 6,053    $(2,130)
Adjustments to reconcile net income (loss) to net cash provided from
  operating activities:
    Depreciation and amortization                                           3,861      3,888      4,491
    Allowance for doubtful accounts                                           141       (155)       290
    Reserve on notes receivable and other assets                                -      1,070          -
    Reduction in carrying value of assets                                       -          -      9,973
    Loss on disposition and retirement of assets                              254        354         75
    Deferred income taxes                                                  (1,440)        53     (1,762)
    Change in assets and liabilities, net of disposition:
        Accounts receivable                                                (4,690)    (2,264)      (929)
        Inventories                                                        (3,998)    (3,223)    (3,036)
        Other current assets                                                3,173       (536)      (271)
        Other assets                                                       (1,131)       490        455
        Accounts payable                                                    1,239       (117)    (2,696)
        Accrued liabilities                                                 1,864      3,190      3,463
        Income taxes payable                                                  678      2,804       (937)
        Other long-term liabilities                                             -        938          -
    Other                                                                     (77)       (17)        (5)
                                                                          -------    -------    -------
        Net cash provided from operating activities                         7,974     12,528      6,981
                                                                          -------    -------    -------
 
 
CASH FLOWS FROM INVESTING ACTIVITIES
 
 Additions to property and equipment                                       (5,933)    (3,765)    (2,522)
 Proceeds from sales of assets (Note 11)                                      380          -        200
 Increase in other assets                                                       -       (315)         -
                                                                          -------    -------    -------
        Net cash used for investing activities                             (5,553)    (4,080)    (2,322)
                                                                          -------    -------    -------
 
CASH FLOWS FROM FINANCING ACTIVITIES
 
 Decrease in notes payable to bank and others                                  (9)    (5,023)      (442)
 Proceeds from long-term debt                                                  17        988      3,117
 Payments on long-term debt                                                (2,598)    (4,648)    (5,419)
 Decrease (increase) in other long-term liabilities                            88        (80)       (89)
 Exercise of employee stock options                                           175        286         88
                                                                          -------    -------    -------
          Net cash used for financing activities                           (2,327)    (8,477)    (2,745)
                                                                          -------    -------    -------
 
Net increase (decrease) in cash and cash equivalents                           94        (29)     1,914
Cash and cash equivalents at beginning of year                              3,965      3,994      2,080
                                                                          -------    -------    -------
 
CASH AND CASH EQUIVALENTS AT END OF YEAR                                  $ 4,059    $ 3,965    $ 3,994
                                                                          =======    =======    =======
 
</TABLE>
        The accompanying notes are an integral part of these statements.

                                       18
<PAGE>
 
                     MICROSEMI CORPORATION AND SUBSIDIARIES
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

1.   DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Description of Business
- -----------------------

The Company designs and manufactures a broad line of discrete semiconductors and
provides related services principally for military, aerospace, medical,
computer, telecommunications and other electronics markets.  Major products are
silicon rectifiers, zener diodes, low leakage and high voltage diodes,
temperature compensated zener diodes and a family of subminiature high power
transient suppressor diodes.

Fiscal Year
- -----------

The Company reports results of operations on the basis of fifty-two and fifty-
three week periods.  The three fiscal years in the period ended September 29,
1996 consisted of fifty-two weeks.

Principles of Consolidation
- ---------------------------

The consolidated financial statements include the accounts of Microsemi
Corporation and its wholly-owned subsidiaries.  All significant intercompany
transactions have been eliminated.

Use of Estimates
- ----------------

The preparation of financial statements in conformity with generally accepted
accounting principles requires management to make estimates and assumptions that
affect the reported amounts of assets and liabilities and disclosure of
contingent assets and liabilities at the date of the financial statements and
the reported amounts of revenues and expenses during the respective reporting
periods.  Actual results could differ from those estimates.

Reclassifications
- -----------------

Certain reclassifications have been made to the fiscal year 1994 and 1995
balances to conform with the fiscal year 1996 presentation.

Inventories
- -----------

Inventories are stated at the lower of cost or market.  Cost is determined by
the first-in, first-out method except for inventories at the Scottsdale, Arizona
subsidiary, which cost is determined using the last-in, first-out method (see
Note 2).

Property and Equipment
- ----------------------

Property and equipment are stated at cost.  Depreciation is computed on the
straight-line method over the estimated useful lives or leasehold periods, as
appropriate.  Maintenance and repairs are charged to expense as incurred and the
costs of additions and betterments that increase the useful lives of the assets
are capitalized.

                                       19
<PAGE>
 
Impairment of Long-Lived Assets
- -------------------------------

In March 1995, the Financial Accounting Standards Board issued  Statement of
Financial Accounting Standards No. 121, "Accounting for the Impairment of Long-
Lived Assets and for Long-Lived Assets to Be Disposed Of" (SFAS 121).  SFAS 121
establishes accounting standards for the impairment of long-lived assets to be
reviewed whenever events or changes in circumstances indicate that the carrying
amount of an asset may not be recoverable. Under the provisions of SFAS 121,
companies are required to review the recoverability of long-lived assets and
intangible assets by comparing cash flows on an undiscounted basis to the net
book value of the assets.  In the event the projected undiscounted cash flows
are less than the net book value of the assets, the carrying values of the
assets are written down to their fair value, less cost to sell.  In addition,
SFAS 121 requires that assets to be disposed of be measured at the lower of cost
or fair value, less cost to sell.  The Company will be required to adopt SFAS
121 in fiscal year 1997.  The adoption of SFAS 121 is anticipated to have an
immaterial effect upon the Company's financial statements.

Investments
- -----------

The Company's investment in certain unconsolidated affiliates are stated at the
lower of cost or estimated net realizable value.

Earnings Per Share
- ------------------

Earnings per common and common equivalent share have been computed based upon
the weighted average number of common and common equivalent shares outstanding.
Outstanding stock options are included as common stock equivalents when the
effect on earnings per share is dilutive.  Earnings per share for the fully
diluted basis have been computed, when the result is dilutive, based on the
assumption that the convertible subordinated debentures had been converted to
common stock at the date of issuance, with a corresponding increase in net
income to reflect a reduction in related interest expense, net of applicable
taxes.

The weighted average number of primary common and common equivalent shares was
8,288,000 in 1996, 8,213,000 in 1995 and 7,573,000 in 1994.  Shares for the
computation of fully diluted earnings per share were 11,805,000 in 1996,
11,861,000 in 1995 and 7,573,000 in 1994.

Disclosures About Fair Value of Financial Instruments
- -----------------------------------------------------

The carrying values of cash, cash equivalents, accounts receivable, accrued
liabilities and notes payable approximate their fair values because of the short
maturity of these instruments.

The carrying value of the Company's long-term debt approximates fair value based
upon the current rates offered to the Company for obligations of the same
remaining maturities except for the Company's 5.875% Convertible Subordinated
Debentures and 10% Convertible Subordinated Notes (Note 8).  The estimated fair
values of these financial instruments at September 29, 1996 are as follows:
<TABLE> 
<CAPTION> 
                                             Carrying    Fair
                                              Amount    Value
                                             --------   -----
                                            (amounts in 000's)    
<S>                                          <C>        <C> 
Long Term Debt                           
 Convertible Subordinated Debentures
   bearing interest at 5.875% due 2012       $33,281   $29,786

 Convertible Subordinated Notes
   bearing interest at 10% due 1999           $1,900    $9,943
</TABLE> 

                                       20
<PAGE>
 
The estimated fair value amounts above have been determined using available
market information and appropriate valuation methodologies.  However,
considerable judgment is required to interpret market data and to develop the
estimates of fair value.  Accordingly, the estimates presented herein are not
necessarily indicative of the amounts the Company could realize in current
market exchanges.

Accounting for Stock-Based Compensation
- ---------------------------------------

In October 1995, the Financial Accounting Standards Board issued Statement of
Financial Accounting Standards No. 123 "Accounting for Stock-based Compensation"
(SFAS 123) which establishes financial accounting and reporting standards for
stock-based employer compensation.  Under SFAS 123, companies are encouraged,
but not required, to adopt a method of accounting for stock compensation awards
based upon the estimated fair value at the date the options/awards are granted
as determined through the use of a pricing model (the "Fair Value Method").
Companies continuing to account for such awards in accordance with the existing
guidance of Accounting Principles Board Opinion No. 25 "Accounting for Stock
Issued to Employees" (APB 25) will have to disclose, in the Notes to Financial
Statements, the pro forma impact on net income and net income per share had the
company utilized the Fair Value Method.  The Company will be required to adopt
SFAS 123 in fiscal year 1997 and anticipates accounting for future stock
compensation awards in accordance with APB 25 with the appropriate footnote
disclosure required under SFAS 123.

Intangible Assets
- -----------------

Intangible assets, arising principally from differences between the cost of
acquired companies and the underlying values at dates of acquisition, are
amortized on a straight-line basis over periods not exceeding ten years.

Concentration of Credit Risk and Foreign Sales
- ----------------------------------------------

The Company is potentially subject to concentrations of credit risk consisting
principally of trade receivables. Concentrations of credit risk exist because
the Company relies on a significant portion of customers whose principal sales
are to the U.S. Government.    In addition, sales to foreign customers
represented approximately 30%, 20% and 17% of net sales for fiscal years 1996,
1995 and 1994, respectively.  These sales were principally to customers in
Europe and Asia.  The Company maintains reserves for potential credit losses and
such losses have been within management's expectations.

2.   INVENTORIES

Inventories used in the computation of cost of goods sold were:

<TABLE>
<CAPTION>
                     September 29,   October 1,   October 2,
                         1996           1995         1994
                     -------------   ----------   ----------
                               (amounts in 000's)
<S>                  <C>             <C>          <C>
 
Raw materials              $14,310      $10,367      $ 9,306
Work in process             19,493       20,847       18,678
Finished goods              13,476       12,067       12,074
                           -------      -------      -------
                           $47,279      $43,281      $40,058
                           =======      =======      =======
</TABLE>

Inventories in the amount of $7,408,000 at Microsemi Scottsdale are stated at
cost under the last-in, first-out (LIFO) method.  Had the first-in, first-out
method been used, total inventories would have been approximately $50,000,
$100,000 and $1,100,000 higher at each fiscal year end for 1996, 1995 and 1994,
respectively.  The 

                                       21
<PAGE>
 
LIFO valuation method had the effect of increasing gross profit by $50,000,
$1,000,000 and $300,000 in fiscal years 1996, 1995 and 1994, respectively.

3.      PROPERTY AND EQUIPMENT

Property and equipment consisted of the following:
<TABLE>
<CAPTION>
                                            September 29,  October 1,
                               Asset Life       1996         1995
                              -------------   ---------   -----------
                                        (amounts in 000's)
<S>                           <C>             <C>         <C>
 
Buildings                       20-40 years   $ 16,101      $ 15,520
Property and equipment           3-10 years     32,683        28,552
Furniture and fixtures           5-10 years        922           961
Leasehold improvements        Life of lease      1,472         1,336
                                              --------      --------
                                                51,178        46,369
Accumulated depreciation                       (31,637)      (28,442)
Land                                             4,072         4,072
Construction in progress                         2,028         1,603
                                              --------      --------
                                              $ 25,641      $ 23,602
                                              ========      ========
</TABLE>

Depreciation expense was $3,640,000, $3,674,000 and $4,238,000 in fiscal years
1996, 1995 and 1994, respectively.

At September 29, 1996, land and buildings located at the Santa Ana, California
manufacturing and headquarters facility were pledged to the City of Santa Ana
under the provisions of the loan agreement with the Santa Ana Industrial
Development Authority.  The land and building of the Microsemi Colorado
subsidiary were pledged to the City of Broomfield, Colorado under the provisions
of the loan agreement with the Colorado Industrial Development Authority.   The
buildings in Watertown, Massachusetts and in Ennis, Ireland are pledged to
Unitrode Corporation under the provisions of the related acquisition agreement.

4.   OTHER ASSETS
 
Other assets consisted of the following:
<TABLE> 
<CAPTION> 
                                               September 29,   October 1,
                                                   1996           1995
                                               -------------   ----------
                                                   (amounts in 000's)
<S>                                            <C>             <C>
Investments in unconsolidated affiliates              $  603       $  303
Deferred financing expenses, net                       1,292        1,523
Cash surrender value of life insurance                   378          344
Goodwill and other intangible assets, net                 50           96
Notes receivable                                         104          289
Collateralized notes receivable                          598          598
Restricted deposit (see Note  8)                         353            -
Others                                                   513          208
                                                      ------       ------
                                                      $3,891       $3,361
                                                      ======       ======
</TABLE>

Accumulated amortization for deferred financing expenses, goodwill and other
intangible assets amounted to $2,512,000 and $2,293,000 as of September 29, 1996
and October 1, 1995, respectively.

                                       22
<PAGE>
 
As of September 29, 1996 and October 1, 1995, Microsemi has a loan of $598,000
to an unaffiliated company collateralized by its property interest in a building
in Allen, Texas.

5.   REDUCTION IN CARRYING VALUE OF ASSETS

In September 1994, the Company recorded a charge to reduce the carrying value of
military related inventories and other assets and certain non-military related
assets where there had been a permanent reduction in value.

The charge comprised the following components (amounts in 000's):

<TABLE>
<CAPTION>
                                          Fiscal Year
                                                Ended
                                      October 2, 1994
                                      ---------------
<S>                                   <C>
     Military related assets
      Inventories                              $5,995
      Other assets                                558
      Equipment                                   507
                                               ------
                                                7,060
                                               ------
     Non-military related assets
      Inventories                               1,263
      Other assets                              1,250
      Building                                    400
                                               ------
                                                2,913
                                               ------
        Total                                  $9,973
                                               ======
</TABLE>

A major portion of these charges directly resulted from Department of Defense
(DOD) announcements of major changes in defense procurement policy which
included official notification, on August 22, 1994, of DOD acquisition reform to
utilize best commercial practices instead of mandatory use of military standard
parts.  These changes in DOD procurement policies required the Company to
conduct a revaluation of its military related inventory and other assets used in
the more complex military standard parts production, resulting in a revaluation
of these assets to reflect their estimated net realizable values on the basis of
projected utilization and market value.

In addition, the carrying values of certain other non-military related assets
were reduced to reflect their estimated net realizable values.  These reductions
of carrying values related principally to (1) a dispute,  which arose in the
fourth quarter of fiscal 1994, relating to inventories previously on consignment
and a related note receivable, (2) the permanent reduction in the value of a
building owned by the Company, and (3) a reduction in the net realizable values
of certain inventories and investments.

The reductions in the carrying values of inventories totaling $7,258,000 were
charged to cost of sales in fiscal year 1994.  The remaining charge for the
reduction in carrying values of the other assets totaling $2,715,000 was
included as a component of operating expenses in fiscal year 1994.

                                       23
<PAGE>
 
7.   ACCRUED LIABILITIES
 
Accrued liabilities consisted of:

<TABLE> 
<CAPTION> 
                                                 September 29   October 1,
                                                     1996          1995
                                                 ------------   ----------
                                                    (amounts in 000's)
<S>                                              <C>            <C>
Accrued payroll, vacation and related taxes           $ 4,286      $ 4,689
Accrued profit sharing                                  3,694        3,703
Accrued interest                                        1,347          470
Accrued commissions and discounts                         734        1,058
Accrued professional fees                                 623          714
Accrued property and sales taxes                          294          480
Accrued lease liability                                   465          265
Other accrued expenses                                  3,599        1,799
                                                      -------      -------
                                                      $15,042      $13,178
                                                      =======      =======
</TABLE>
7.   INCOME TAXES
 
Pretax income (loss) from continuing operations was taxed under the following
jurisdictions:
<TABLE> 
<CAPTION> 
                                           For each of the three fiscal years in
                                            the period ended September 29, 1996
                                           -------------------------------------
                                              1996         1995          1994
                                           ---------    -----------    ---------
                                                  (amounts in 000's)
<S>                                        <C>          <C>            <C>
 
Domestic                                     $11,255      $ 7,750      $(4,188)
Foreign                                        2,711        2,510          671
                                             -------      -------      -------
Total                                        $13,966      $10,260      $(3,517)
                                             =======      =======      =======
</TABLE> 
 
The provision (benefit) for income taxes consisted of the following components:
 
<TABLE> 
<CAPTION> 
                                           For each of the three fiscal years in
                                            the period ended September 29, 1996
                                           -------------------------------------
                                              1996         1995          1994
                                           ---------    -----------    ---------
                                                  (amounts in 000's)
<S>                                        <C>          <C>            <C>
Current
 Federal                                    $ 5,861       $ 3,295      $    92
 State                                          867           293           20
 Foreign                                        578           566          263
Deferred                                     (1,440)           53       (1,762)
                                            -------       -------      -------
                                            $ 5,866       $ 4,207      $(1,387)
                                            =======       =======      =======
</TABLE>

                                       24
<PAGE>
 
Deferred tax assets (liabilities) comprise the following:
<TABLE>
<CAPTION>
                                            September 29,    October 1,
                                                 1996           1995
                                            --------------   -----------
                                                 (amounts in 000's)
<S>                                         <C>              <C>
Accounts receivable                               $   765       $   698
Inventories                                         1,594         1,118
Other assets                                        1,814         1,949
Fixed asset bases                                     479           441
Accrued employee benefit expenses                   2,708         2,216
Accrued other expenses                              1,820         1,195
Loss and credit carryforwards                       1,251         1,227
                                                  -------       -------
Gross deferred tax assets                          10,431         8,844
                                                  -------       -------
 
Deferred tax asset valuation allowance             (2,804)       (2,804)
                                                  -------       -------
 
Inventory bases                                      (750)         (712)
Depreciation                                       (1,770)       (1,672)
Other                                                (203)         (192)
                                                  -------       -------
Gross deferred tax liabilities                     (2,723)       (2,576)
                                                  -------       -------
                                                  $ 4,904       $ 3,464
                                                  =======       =======
</TABLE>
The following is a reconciliation of income tax computed at the federal
statutory rate to the Company's actual tax expense:
<TABLE>
<CAPTION>
                                                                      For the three fiscal         
                                                                    years in the period ended                                      
                                                                       September 29, 1996                                          
                                                              -------------------------------------                                
                                                               1996           1995           1994                                  
                                                              -------   ----------------   --------                                
                                                                       (amounts in 000's)                                          
<S>                                                           <C>       <C>                <C>                                     
Tax computed at statutory rate                                $4,748             $3,488    $(1,196)                                
State taxes, net of federal benefit                              787                655       (220)                                
Tax effect of earnings of foreign subsidiaries                  (921)              (853)      (347)                                
Foreign taxes                                                    578                566        263                                 
Other differences, net                                           674                351        113                                 
                                                              ------             ------    -------                                 
                                                              $5,866             $4,207    $(1,387)                                
                                                              ======             ======    =======                                 
</TABLE> 
 
The Company has the following tax loss carryforwards available as of September
29, 1996:
<TABLE> 
<CAPTION> 
 
                                                                Amount    Expiration Date
                                                                ------    ---------------
                                                                  (amounts in 000's)
<S>                                                             <C>       <C> 
Purchased net operating loss carryforwards                      $1,168         2003
Capital loss carryforwards                                      $2,317         1997
</TABLE>

Tax benefits realized in future periods from the purchased net operating losses
will be reflected as adjustments to goodwill and other intangible assets which
were recorded at the time of the acquisition of the related subsidiaries. All or
a portion of the capital loss carryforward amount may be utilized to offset
future capital gains.

No provision has been made for future U.S. income taxes on the undistributed
earnings of foreign operations since they have been, for the most part,
indefinitely reinvested in these operations.  Determination of the amount of

                                       25
<PAGE>
 
unrecognized deferred tax liability for temporary differences related to the
undistributed earnings of the Company's foreign operations is not practicable.
At the end of fiscal year 1996, the undistributed earnings aggregated
approximately $13,828,000.
 
8.                                                         DEBT

Long-term debt consisted of:                               
<TABLE> 
<CAPTION> 
                                                           September 29,    October 1,
                                                               1996           1995
                                                           -------------    ----------
                                                               (amounts in 000's)
<S>                                                        <C>              <C>
Industrial Development Bond-bearing interest at
 7.875% due May 2000; secured by first deed of trust             $ 2,720       $ 2,905
 
Industrial Development Bond-bearing interest at 6.75%
 due February 2005; secured by first deed of trust                 5,350         5,350
 
Convertible Subordinated Debentures-bearing interest
 at 5.875% due 2012                                               33,281        33,281
 
Convertible Subordinated Notes-bearing interest
 at 10% due 1999                                                   1,900         2,000
 
Notes payable-bearing interest at ranges of 5 - 13%
 due between October 1996 and July 2002                            4,794         7,190
                                                                 -------       -------
                                                                  48,045        50,726
Less current portion                                              (1,625)       (2,328)
                                                                 -------       -------
                                                                 $46,420       $48,398
                                                                 =======       =======
</TABLE>

Sinking fund payment requirements under the Industrial Development Bonds, and
other long-term debt maturities, including the current portion, during the next
five years are as follows (amounts in 000's):

<TABLE>
                     <S>             <C>
                     1997              1,625
                     1998              2,483
                     1999              2,997
                     2000              2,642
                     2001                591
                     Thereafter       37,707
                                     -------
                                     $48,045
                                     =======
</TABLE>

A $5,350,000 Industrial Development Revenue Bond was originally issued in April
1985, through the City of Santa Ana for the construction of improvements and new
facilities at the Santa Ana plant.  It was remarketed in 1995 and carries an
average interest rate of 6.75% per annum.  The terms of the bond require
principal payments of $1,050,000 in 1998, $100,000 annually from 1999 to 2004
and $3,700,000 in 2005.  A $5,557,000 letter of credit is carried by a bank to
guarantee the repayment of this bond.  There are no compensating balance
requirements, however, the letter of credit agreement requires the Company to
make collateral payments of $350,000 on February 1, 1996, 1997 and 1998,
totaling $1,050,000 to complete the payment of principal scheduled for February
1, 1998. An annual commitment fee of 2% is charged on this letter of credit.  In
addition, the agreement contains provisions regarding net worth and working
capital.  The Company was in compliance with the aforementioned covenants at
September 29, 1996.

                                       26
<PAGE>
 
In February 1987, the Company sold $40,250,000 of 5.875% convertible
subordinated debentures due 2012.  The debentures are convertible into common
stock at $13.55 per share.  As of September 29, 1996 they are redeemable at
100.6% of par plus accrued interest, declining to par on March 1, 1997.
Deferred debt issuance costs of $1,128,000 are included in other assets and are
being amortized over the life of the debentures on a straight-line basis.  In
fiscal years 1987, 1988, 1989 and 1991, the Company repurchased a total of
$6,969,000 of these debentures due to favorable market conditions.

In June 1992, the Company obtained $2,000,000 from an officer and two existing
shareholders to finance a portion of an acquisition completed in fiscal year
1992.  The related $2,000,000 of 10% convertible notes are due in 1999 and
convertible into common stock at $1.875 per share.  In fiscal year 1996,
$100,000 was converted into 53,333 shares of common stock.

The Company maintains a revolving credit facility with a domestic bank which
will continue through September 1997.  Under the credit facility the Company can
borrow up to $15,000,000.  The credit line has an interest rate of prime and is
secured by substantially all of the assets of the Company.  In addition, the
credit agreement contains provisions regarding net worth and working capital.
The Company is in compliance with the aforementioned covenants at September 29,
1996.  At September 29, 1996, the balance on this credit facility amounted to
$4,214,000.

Notes payable to banks and others at September 29, 1996 included a $51,000
($7,000 at October 1, 1995) overdraft facility due to a bank in Hong Kong, a
demand note payable to the former owner of the Bombay, India facility for
$47,000 ($53,000 at October 1, 1995) and $240,000 ($598,000 at October 1, 1995)
due to a financial institution in Ireland under an accounts receivable
discounting agreement.

9.   STOCK OPTIONS AND EMPLOYEE BENEFIT PLANS

Stock Options
- -------------

Under the terms of an incentive stock option plan adopted in fiscal year 1982
and amended in fiscal year 1985, nontransferable options to purchase common
stock may be granted to certain key employees.  750,000 shares have been
reserved for issuance under the terms of the plan.  The options may be exercised
within ten years from the date they are granted, subject to early termination
upon death or cessation of employment, and are exercisable in installments
determined by the Board of Directors.  For certain significant shareholders, the
exercise period is limited to five years and the exercise price is higher.

In December 1986, the Board of Directors adopted another incentive stock option
plan (The 1987 Plan) which reserved an additional 750,000 shares of common stock
for issuance.  The 1987 Plan was approved by the shareholders in February 1987
and is for the purpose of securing for the Company and its shareholders the
benefits arising from stock ownership by selected officers, directors and other
key executives and management employees. The plan provides for the grant by the
Company of stock options, stock appreciation rights, shares of common stock or
cash.  As of September 29, 1996, only options have been granted under the 1987
Plan.  The options may be exercised within ten years from the date they are
granted, subject to early termination upon death or cessation of employment, and
are exercisable in installments determined by the Board of Directors.  For
certain significant shareholders, the exercise period is limited to five years
and the exercise price is higher.

At their annual meeting on February 25, 1994, the shareholders approved several
amendments to the 1987 Plan which 1) extend its termination date to December 15,
2000; 2) increase initially from 750,000 to 850,000 the number of shares
available for grants; 3) increase on the first day of each fiscal year, the
number of shares available 

                                       27
<PAGE>
 
for grant in increments of 2% of the Company's issued and outstanding shares of
common stock; 4) set a limit on the number of options or shares which may be
granted to any one individual in any year; 5) eliminate limitations on the Board
of Directors' designating one or more committees of any size or composition to
administer the 1987 Plan; and 6) provide for automatic grants of stock options
to non-employee directors.

Activity and price information regarding the plans are as follows:
<TABLE>
<CAPTION>
                                             Stock Options
                                        --------------------------
                                         Shares       Price Range
                                        ---------    -------------
<S>                                     <C>          <C>
 
Outstanding October 3, 1993               654,775    $ 1.000 - $5.625
 
  Granted                                 179,500    $ 3.875 - $5.000
  Exercised                               (46,123)   $ 1.000 - $5.000
  Expired or canceled                     (21,750)   $ 1.000 - $2.750
                                         --------
Outstanding October 2, 1994               766,402    $ 1.000 - $5.625
                                         ========
  Granted                                 156,800    $ 2.000 - $5.000
  Exercised                              (194,629)   $ 1.000 - $5.000
  Expired or canceled                     (12,300)   $ 1.000 - $5.000
                                         --------
Outstanding October 1, 1995               716,273    $ 1.000 - $5.625
                                         ========
 
  Granted                                 146,300    $9.875 - $11.766
  Exercised                               (66,008)   $ 1.000 - $5.000
  Expired or canceled                     (56,050)   $ 1.000 - $2.700
                                         --------
Outstanding September 29, 1996            740,515    $1.000 - $11.766
                                         ========
</TABLE>

Stock options exercisable were 421,590, 414,264 and 469,202 at September 29,
1996, October 1, 1995 and October 2, 1994, respectively.  Remaining shares
available for grant at September 29, 1996, October 1, 1995 and October 2, 1994
under the plans were 244,489, 175,816 and 176,725, respectively.  All options
were granted at the fair market value of the Company's shares of common stock on
the date of grant.

Employee Benefit Plans
- ----------------------

The Microsemi Corporation Profit Sharing Plan, adopted by the Board of Directors
in fiscal year 1984, covers substantially all full-time employees who meet
certain minimum employment requirements and provides for current bonuses based
upon the Company's earnings.  Annual contributions to the plan are determined by
the Board of Directors.  Total charges to income amounted to approximately
$2,557,000, $2,882,000 and $2,059,000 in fiscal years 1996, 1995 and 1994,
respectively.

401(k) Plan
- -----------

The Company sponsors a 401(k) Savings Plan whereby participating employees may
elect to contribute up to 15% of their eligible wages.  The Company is committed
to match 50% of employee contributions, not exceeding 3% of the employee's
wages.  The Company contributed approximately $821,000, $583,000 and $338,000 to
this plan during fiscal years 1996, 1995 and 1994, respectively.

                                       28
<PAGE>
 
Supplemental Retirement Plan
- ----------------------------

In fiscal year 1994, the Company adopted a supplemental retirement plan which
provides certain long-term employees with retirement benefits based upon a
certain percentage of the employees' salaries.  Included in other long-term
liabilities at September 29, 1996 and October 1, 1995, was $1,501,000 and
$1,406,000, respectively, related to the Company's estimated liability for the
plan.

10.  COMMITMENTS AND CONTINGENCIES
The Company occupies premises under operating lease agreements expiring through
2006.  Aggregate future minimum rentals payable under these leases are (amounts
in 000's):

<TABLE>
                       <S>             <C>
                       1997            $1,017
                       1998               931
                       1999               851
                       2000               860
                       2001               863
                       Thereafter       4,506
                                       ------
                                       $9,028
                                       ======
</TABLE>

Rental expense charged to income was $1,204,000 in fiscal year 1996, $1,472,000
in fiscal year 1995 and $1,297,000 in fiscal year 1994.  The aforementioned
amounts are net of sublease income amounting to $146,000 and $145,000 in fiscal
years 1996 and 1995, respectively.  The Company had no sublease income in fiscal
year 1994.

In July 1994, the Company received a letter from the State of Washington
Department of Ecology stating that it proposed finding the Company a potentially
liable party for alleged contamination of real property and ground water in
Yakima County, Washington.  The letter alleges that the Company arranged for
disposal or treatment of the contaminates or arranged with a transporter for the
disposal or treatment of the contaminates in Yakima County.   The Company has
joined a group of companies, which anticipates resolving its liability with the
State of Washington.  The Company has provided $50,000 for the estimated
settlement cost in the fiscal year ended September 29, 1996.  In the opinion of
management, the final resolution of this matter is not expected to have a
materially adverse effect on the Company's financial position or results of
operations.

In Broomfield, Colorado, an owner of property located adjacent to a
manufacturing facility owned by a subsidiary of the Company had filed suit
against the subsidiary and other parties, claiming that contaminants migrated to
his property, thereby  diminishing its value.  In August 1995, the subsidiary,
together with former owners of the manufacturing facility, agreed to settle the
claim and to indemnify the owner of the adjacent property for remediation costs.
Although TCE and other contaminants previously used at the facility are present
in soil and groundwater on the subsidiary's property, the Company vigorously
contests any assertion that the subsidiary is the cause of the contamination;
however, there can be no assurance that recourse will be available against third
parties. State and local agencies in Colorado are reviewing current data and
considering study and cleanup options, and it is not yet possible to predict
costs for remediation or the allocation thereof among potentially responsible
parties. In the opinion of management, based in part on the opinion of legal
counsel, the final outcome of the Broomfield, Colorado environmental matter will
not have a material adverse effect on the Company's financial position or
results of operations.

The Company is involved in various pending litigation arising out of the normal
conduct of its business, including those relating to commercial transactions,
contracts, and environmental matters.  In the opinion of management, 

                                       29
<PAGE>
 
based in part on the opinion of legal counsel, the final outcome of these
matters will not have a material adverse effect on the Company's financial
position or results of operations.

11.  DISPOSITIONS

On June 8, 1994, the Company completed a transaction with Technology Marketing
Incorporated (TMI) to dispose of substantially all of the assets of Omni
Technology Corporation (Omni), a wholly owned subsidiary of the Company.  The
Company received $200,000 cash, a $300,000 term note receivable, $2,000,000 in
4% redeemable preferred stock, and a warrant to purchase up to 250,000 shares of
TMI's common stock at $1.00  per share.  The preferred stock is subject to
mandatory redemption over a period of between 10 to 20 years based upon the
achievement of certain performance objectives by TMI.  No gain or loss was
recognized on the transaction.  The Company received no payments from TMI during
fiscal year 1995.  The Company repossessed certain assets from TMI in June 1995
and sold a substantial portion of these repossessed assets at an auction in
October 1995 for approximately $380,000.  The remaining assets associated with
the sale of Omni were fully reserved at September 29, 1996 and October 1, 1995
and included in the Company's financial statements at their net balance.

                                       30
<PAGE>
 
12.  GEOGRAPHIC AREAS

The following table presents sales, income from operations and identifiable
assets and liabilities by geographic areas for fiscal years 1996, 1995 and 1994:
<TABLE>
<CAPTION>
 
                             SALES TO    INCOME (LOSS)
                           UNAFFILIATED     FROM
GEOGRAPHIC AREAS             CUSTOMERS    OPERATIONS      ASSETS    LIABILITIES
- ----------------           ------------  -------------   --------   -----------
                                       (amounts in 000's)
<S>                        <C>           <C>             <C>        <C>
1996:
 
  UNITED STATES               $142,269      $16,319    $100,980       $81,802
  EUROPE                        13,729        1,460       6,070         2,025
  ASIA                           1,437        1,172       7,389         1,204
                              --------      -------    --------       -------
    TOTAL                     $157,435      $18,951    $114,439       $85,031
                              ========      =======    ========       =======
 
1995:
 
   UNITED STATES              $120,263      $13,050    $ 91,031       $79,978
   EUROPE                       12,725        1,348       6,460         2,602
   ASIA                            893        1,118       7,324         1,125
                              --------      -------    --------       -------
    TOTAL                     $133,881      $15,516    $104,815       $83,705
                              ========      =======    ========       =======
 
 
1994:
 
   UNITED STATES              $111,408      $   769    $ 88,845       $82,280
   EUROPE                        7,218        1,308       4,968         1,944
   ASIA                            604         (218)      6,336         1,137
                              --------      -------    --------       -------
    TOTAL                     $119,230      $ 1,859    $100,149       $85,361
                              ========      =======    ========       =======
</TABLE>

                                       31
<PAGE>
 
13. STATEMENT OF CASH FLOWS

For purposes of the Consolidated Statement of Cash Flows, the Company considers
all short-term, highly liquid investments with maturities of three months or
less at date of acquisition to be cash equivalents.
<TABLE>
<CAPTION>
                                                    For the three fiscal
                                                    years in the period
                                                  ended September 29, 1996
                                                  ---------------------------
Supplementary information:                          1996       1995     1994
                                                  --------    -------  ------
                                                        (amounts in 000's)
<S>                                                <C>        <C>      <C>
Cash paid during the year for:
  Interest                                         $  3,745   $6,184   $4,867
                                                   ========   ======   ======
  Income taxes                                     $  6,330   $1,350   $1,269
                                                   ========   ======   ======
 
Non-cash financing activities:
 Conversion of 10% subordinated notes payable
 to 53,333 shares of common stock (Note 8)         $100,000   $    -   $    -
                                                   ========   ======   ======
</TABLE>

14.  RESEARCH AND DEVELOPMENT

Research and development expenses charged to cost of sales and expenses were
$1,020,000, $755,000 and $922,000, for the fiscal years 1996, 1995 and 1994,
respectively.

15. SUBSEQUENT EVENT (UNAUDITED)

On October 25, 1996, Microsemi purchased certain assets and the right to
manufacture a selected group of products of the high-reliability portion of SGS
Thompson's Radio Frequency (RF) Semiconductor business in Montgomeryville,
Pennsylvania.  The purchase price comprised approximately $2,200,000 in cash and
a $700,000 note payable.  The acquisition will be accounted for by the purchase
method.  Accordingly, the results of operations of the RF business will be
included with those of the Company subsequent to the date of acquisition.

                                       32
<PAGE>
 
16.  UNAUDITED SELECTED QUARTERLY FINANCIAL DATA

Selected quarterly financial data are as follows:

<TABLE>
<CAPTION>
                                                         Quarters ended in fiscal year 1996
                                                  ------------------------------------------------
                                                    (amounts in 000's, except earnings per share)
 
                                                   December 31,   March 31,   June 30,   Sept. 29,
                                                       1995         1996        1996       1996
                                                   ------------   ---------   --------   ---------
<S>                                                <C>            <C>         <C>        <C>
 
Net sales                                               $35,299     $39,107    $41,261     $41,768
 
Gross profit                                            $ 9,203     $10,309    $11,004     $11,599
 
Net income                                              $ 1,429     $ 1,828    $ 2,339     $ 2,504
 
Primary earnings per share                              $  0.17     $  0.22    $  0.28     $  0.30
 
Fully diluted earnings per share                        $  0.15     $  0.18    $  0.23     $  0.24
<CAPTION>  
 
                                                           Quarters ended in fiscal year 1995
                                                   ------------------------------------------------
                                                     (amounts in 000's, except earnings per share)
 
                                                        January 1,  April 2,    July 2,    Oct. 1,
                                                          1995        1995       1995       1995
                                                        --------    -------    -------     -------
<S>                                                     <C>         <C>        <C>         <C>  
Net sales                                               $27,657     $32,441    $36,138     $37,645
 
Gross profit                                            $ 7,004     $ 8,114    $ 9,602     $11,075
 
Net income                                              $ 1,013     $ 1,348    $ 1,698     $ 1,994
 
Primary earnings per share                              $  0.13     $  0.17    $  0.21     $  0.24
 
Fully diluted earnings per share                        $  0.12     $  0.15    $  0.17     $  0.20
</TABLE>

                                       33
<PAGE>
 
                     MICROSEMI CORPORATION AND SUBSIDIARIES
                SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS
                               (amounts in 000's)
<TABLE>
<CAPTION>
 
Column A                                          Column B    Column C     Column D        Column E        Column F
- --------                                         ----------   ----------   -----------   --------------    ---------
                                                 Balance at   Charged to   Charged       Deductions-       Balance
                                                 beginning    costs and    to other      recoveries        at end of
Classification                                   of period    expenses     accounts      and write-offs    period
- ---------------                                  ----------   ----------   -----------   ---------------   ---------
<S>                                              <C>          <C>          <C>           <C>               <C>
 
September 29, 1996
 
Allowance for doubtful accounts and
 reserve for returns                               $2,018       $ 91          $  -           $  50          $2,159
                                                   ======       ====          ====           =====          ======
 
Reserve for investments in unconsolidated
 affiliates                                        $  237       $300             -           $   -          $  537
                                                   ======       ====          ====           =====          ======
 
October 1, 1995
 
Allowance for doubtful accounts and
 reserve for returns                               $2,173       $421             -           $(576)         $2,018
                                                   ======       ====          ====           =====          ======
 
Reserve for investments in unconsolidated
 affiliates                                        $  237       $  -             -           $   -          $  237
                                                   ======       ====          ====           =====          ======
 
October 2, 1994
 
Allowance for doubtful accounts and
 reserve for returns                               $1,709       $569             -           $(105)         $2,173
                                                   ======       ====          ====           =====          ======
 
Reserve for investments in unconsolidated
 affiliates                                        $  237       $  -             -           $   -          $  237
                                                   ======       ====          ====           =====          ======
</TABLE>

                                       34
<PAGE>
 
ITEM 9.  DISAGREEMENTS ON ACCOUNTING AND FINANCIAL DISCLOSURE.
         ---------------------------------------------------- 

       None

                                    PART III
                                    --------

Items 10, 11, 12 and 13 are omitted since the Registrant intends to file a
definitive proxy statement with the Securities and Exchange Commission pursuant
to Regulation 14A within 120 days after the end of  Registrant's fiscal year
ended September 29, 1996.  The information required by those items is set forth
in that certain proxy statement and such information is incorporated in this
Form 10-K.


                                    PART IV
                                    -------

ITEM 14.  EXHIBITS, FINANCIAL STATEMENT SCHEDULES, AND REPORTS ON FORM 8-K.
          ---------------------------------------------------------------- 

   (a) 1.  Financial Statements.  See Index under Item 8.

       2.  Financial Statement Schedules.  See Index under Item 8.

       3.  Exhibits:

       The exhibits which are filed with this report are listed in the Exhibit
Index.

    (b)  Reports on Form 8-K.

       None

                                       35
<PAGE>
 
SIGNATURES
- ----------

     Pursuant to the requirements of Section 13 or 15(d) of the Securities
Exchange Act of 1934, the Registrant has duly caused this report to be signed on
its behalf by the undersigned, thereunto duly authorized.


                         MICROSEMI CORPORATION

                         By  /s/ DAVID R. SONKSEN
                            -------------------------------
                            David R. Sonksen
                            Vice President-Finance and
                            Chief Financial Officer
                            (Principal Financial Officer
                            and Chief Accounting Officer
                            and duly authorized to sign on
                            behalf of the Registrant)



Dated:  December 16, 1996

                                       36
<PAGE>
 
                               POWER OF ATTORNEY

     The undersigned hereby constitutes and appoints Philip Frey, Jr. his true
and lawful attorney-in-fact and agent, with full power of substitution and
capacities, to sign the report on Form 10-K and any or all amendments thereto
and to file the same, with all exhibits thereto, and other documents in
connection therewith with the Securities and Exchange Commission, hereby
ratifying and confirming all that said attorney-in-fact, or his substitute or
substitutes, may do or cause to be done by virtue hereof in any and all
capacities.

     Pursuant to the requirements of Securities Exchange Act of 1934, this
report has been signed by the following persons on behalf of the Registrant and
in the capacities and on the dates indicated.
<TABLE>
<CAPTION>
 
     Signature                        Title                 Date
     ---------                        ------                -----
<S>                       <C>                    <C>
 
/s/ PHILIP FREY, JR.      Chairman of the        November 21, 1996  
- -----------------------   Board, President                          
Philip Frey, Jr.          and Chief Executive                       
                          Officer                
                                                                     
                         
/s/ JIRI SANDERA          Vice President,        November 21, 1996  
- -----------------------   Engineering &                             
Jiri Sandera              Director              
                                                                    
                         
/s/ DAVID R. SONKSEN      Vice President,        November 21, 1996  
- -----------------------   Finance, Treasurer                            
David R. Sonksen          and Secretary                                
                          (principal financial                         
                          and accounting                               
                          officer)             
                                                                        
                         
/s/ JOSEPH M. SCHEER      Director               November 21, 1996
- -----------------------
Joseph M. Scheer
 
/s/ BRAD DAVIDSON         Director               November 21, 1996
- -----------------------
Brad Davidson
 
/s/ ROBERT B. PHINIZY     Director               November 21, 1996
- -----------------------
Robert B. Phinizy
 
/s/ MARTIN H. JURICK      Director               November 21, 1996
- -----------------------
Martin H. Jurick
</TABLE>

                                       37
<PAGE>
 
$$FOLIO

ITEM 14.     EXHIBITS, FINANCIAL STATEMENT SCHEDULES, AND REPORTS ON
   FORM 8-K
       (Continued)

      3.     Exhibits.

                                 EXHIBIT INDEX

                                                            Sequential
Exhibit                                                        Page 
Number       Description                                       Number 


      2.1    Agreement for Purchase and Sale of Omni Assets 
             dated as of May 18, 1994 between Omni Technology 
             Corporation, a California corporation and a wholly 
             owned subsidiary of the Registrant ("Omni"), and
             Technology Marketing, Incorporated, a California 
             corporation ("TMI") including the following ancillary 
             documents: (a) Negotiable Promissory Note dated June 2, 
             1994; (b) Certificate of Determination for Series A 
             Preferred Stock of TMI filed June 8, 1994; (c) Security
             Agreement dated June 2, 1994; (d) Sublease dated June 2, 
             1994; and (e) Intercreditor and Subordination Agreement 
             dated June 2, 1994 among Concord Growth Corporation, 
             a California corporation, Omni, and the Registrant 
             (Additional Schedules and Exhibits are not included
             pursuant to Item 601(b)(2) of Regulation S-K) (24)


      3      Restated Certificate of Incorporation and Bylaws of
             the Registrant (1)

      4      Form of Indenture, including form of 5 7/8%
             Convertible Subordinated Debenture due 2012 (2)

      4.1    Subordinated Convertible Note Purchase Agreement dated
             June 26, 1992 among the Registrant and the Purchasers
             named therein and Exhibit A hereto, a form of
             Subordinated Convertible Note (29)

      10.1   1984 Incentive Stock Option Plan (as amended December
             13, 1984) (3)

      10.2   Form of Incentive Stock Option Agreement pursuant to
             1984 Incentive Stock Option Plan (3)

                                       38
<PAGE>
 
      10.3   Form of Stock Option Agreement, dated October 17,
             1985, between the Registrant and members of the
             Registrant's Board of Directors (1)

      10.4   Limited Partnership Agreement for Testing Laboratory
             Limited Partnership, effective October 30, 1985,
             between HDJ Enterprises, Inc. (General Partner), and
             the Registrant, Milt D. Coggins, Jr., Dick L. Jones
             and Harry D. Jones (Limited Partners); Arizona
             Electronic Standard Laboratories, Inc. Stock
             Acquisition and Option Agreement dated October 30,
             1985 among Delbert F. Serbousek and Phyllis J.
             Serbousek, Arizona Electronic Standards Laboratories,
             Inc., the Registrant and Testing Laboratory Limited
             Partnership; and Stock Sale and Amendment to Stock
             Purchase Agreement and Loan Agreement, dated October 30, 
             1985, among Delbert F. Serbousek and Phyllis J.
             Serbousek; Arizona Electronic Standard Laboratories,
             Inc.; and the Registrant (4)

      10.5   Credit Agreement between the Registrant and Security
             Pacific National Bank, dated as of September 3, 1984,
             and First Amendment to Credit Agreement dated as of
             May 1, 1985 (1)

      10.6   Lease dated June 29, 1982 between Ulrich Layher and
             MSC Phoenix, Inc. (1)

      10.7   Plan of acquisition of Bikor, Inc. (Exhibit 2.1) (5)

      10.8   Plan of acquisition of RPM, Enterprises (Exhibit
             2.2) (5)

      10.9   Plan of acquisition of Surface Mounted Technology
             Corporation (Exhibit 2.3) (5)

      10.10  Plan of acquisition of Micro Assembly & Test, Inc.
             (Exhibit 2.4) (5)

      10.11  1986 Nonqualified Stock Option Plan of the Registrant
             (Exhibit 10.9) (5)

      10.12  Agreement between Berney Construction, Inc. and the
             Registrant (Exhibit 10.10) (5)

                                       39
<PAGE>
 
      10.13  The Registrant's 1987 Stock Plan (6)

      10.14  Indenture dated as of February 1, 1985, and related
             Loan Agreement and Reimbursement Agreement both dated
             as of February 1, 1985, relating to the Industrial
             Revenue Bonds issued to finance additions to the Santa
             Ana facility of the Registrant (2)

      10.15  Stock Sale Agreement, dated November 12, 1987 between
             Coors Porcelain Company and the Registrant, relating
             to the acquisition of Coors Components, Inc. (7)

      10.16  Press Release distributed by the Registrant on
             November 12, 1987, announcing the acquisition of Coors
             Components, Inc. (7)

      10.17  Letter Agreement dated as of September 16, 1987 by and
             among the Registrant, AVX Corporation ("AVX") and
             Vitarel Microelectronics, Inc. ("Vitarel") (7)

      10.18  Stock, Loan and Equipment Agreement dated as of
             November 24, 1987 by and among the Registrant, AVX and
             Vitarel (7)

      10.19  Security and Loan Agreement dated as of November 24,
             1987 by and among the Registrant, AVX and Vitarel (7)

      10.20  Press Release distributed by the Registrant on
             November 25, 1987, announcing the investment in
             Vitarel (7)

      10.21  Letter Agreement dated June 19, 1987 between Testing
             Laboratory Limited Partnership ("TLLP"), HDJ
             Enterprises, Inc. ("HDJ"), Arizona Electronic
             Standards Laboratories, Inc. ("AESL") and the
             Registrant(8)

      10.22  First Amendment to Limited Partnership Agreement for
             TLLP dated June 19, 1987 by and among the Registrant,
             Milt D.Coggins, Jr., Dick L. Jones and Harry D.
             Jones (8)

      10.23  Loan Agreement (Term) dated July 8, 1987 for
             $1,414,867 executed by the Registrant, AESL,
             Amerihold, Inc. and TLLP (8)

                                       40
<PAGE>
 
      10.24  Loan Agreement (Revolving) dated July 8, 1987 for
             $500,000 executed by the Registrant, AESL, Amerihold,
             Inc. and TLLP (8)

      10.25  Mutual Release and Settlement Agreement dated June 19,
             1987, executed by AESL, TLLP, HDJ, the Registrant,
             Nancy L. Jones, Harry D. Jones, Milton D. Coggins,
             Jr., Dick L. Jones and The Harry D. Jones and Nancy L.
             Jones Revocable Trust; unexecuted by Delbert F.
             Serbousek, Phyllis J. Serbousek and Commercial State
             Bank (8)

      10.26  Deed of Trust, dated July 8, 1987, by AESL, as Trustor
             to Title Insurance Company of Minnesota, as Trustee
             for the Registrant, as Beneficiary and recorded in the
             Official Records of Maricopa County, Arizona, July 9,
             1987 (8)

      10.27  Reorganization Agreement dated as of August 27, 1987
             among the Registrant, Microsemi Test Number 3 and Omni
             Technology Corporation (8)

      10.28  Asset Purchase Agreement dated October 12, 1987 among
             Microsemi Test Equipment, Inc., a subsidiary of the
             Registrant, Custom Test Technologies, Inc., Stanley E.
             Wood, John Sullivan and Bernard Elbinger, relating to
             the acquisition of the assets and operations of Custom
             Test Technologies, Inc. (8)

      10.29  Subscription Agreement dated July 24, 1987 between the
             Registrant and Diodes Incorporated for the
             subscription of 800,000 shares of Diodes
             Incorporated (8)

      10.30  Management and Asset Purchase Agreement dated
             August 7, 1987, between Microcap Corporation, a
             wholly-owned subsidiary of Registrant, and Cernetics
             Corporation (8)

      10.31  Certificate of Sale dated December 3, 1987 of BT
             Commercial Corporation ("BT"), and agreed to by Omni
             Technology Corporation, a subsidiary of the Registrant
             ("Omni"), relating to the sale by BT to Omni of
             certain assets of Pacific Reliability Corporation(8)

                                       41
<PAGE>
 
      10.32  Agreement of Purchase and Sale of Stock dated April 6,
             1988, between General Microcircuits, Inc. and the
             Registrant relating to the purchase of all of the
             outstanding stock of General Microcircuits (9)

      10.33  Agreement of Purchase and Sale of Stock dated May 25,
             1988, between Distributed Microtechnology, Inc. ("DM")
             and the Registrant relating to the purchase of all of
             the outstanding stock of DM (9)

      10.34  Assignment of Lease between DM and Westshore
             Enterprises assigning all interest to DM of the Lease
             dated February 24, 1986, between National Western -
             Providence Equity Fund and Westshore Enterprises, Inc.
             for the premises located at 1592 N. Batavia, Unit 7B,
             Orange, California (9)

      10.35  Asset Purchase and Sale Agreement dated May 31, 1988,
             between the Registrant and Universal Microtechnologies, 
             Inc. for the purchase of the assets of Universal 
             Microtechnologies (9)

      10.36  Recapitalization Agreement executed on September 28,
             1988, effective as of July 1, 1988, between the
             Registrant, AVX Corporation and Vitarel
             Microelectronics, Inc. regarding the recapitalization
             of Vitarel Microelectronics, Inc. (9)

      10.37  Stock Purchase Agreement dated as of February 17, 1989
             by and between Avnet, Inc., a New York corporation,
             and Salem Scientific, Inc., a Microsemi Company, a
             Delaware corporation and a wholly-owned subsidiary of
             the Registrant (10)

                                       42
<PAGE>
 
      10.38  Agreement for Purchase and Sale of Assets dated
             November 2, 1989 between Microsemi Corp.-Scottsdale,
             an Arizona corporation and Yubo International
             Incorporation, a California corporation (11)

      10.39  Purchase and Sale Agreement dated November 14, 1989
             among Universal Microtechnologies, Inc., a Delaware
             corporation, the Registrant and Dowty Electronics
             Company of Brandon, Vermont, a New Jersey
             corporation (12)

      10.40  Stock Purchase Agreement dated October 23, 1989
             between GRT Acquisition Corporation, a California
             corporation and the Registrant (13)

      10.41  Third Amendment to Credit Agreement between the
             Registrant and Security Pacific National Bank dated as
             of March 10, 1989 (14)

      10.42  Fourth Amendment to Credit Agreement between the
             Registrant and Security Pacific National Bank dated as
             of June 1, 1989 (14)

      10.43  Form of Installment Note dated as of October 20, 1989
             relating to the borrowing by the Registrant of
             $10,000,000 from Sanwa Business Credit Corporation
             (the "Installment Note") (14)

      10.44  Form of Security Agreement dated as of October 20,
             1989, entered into by the Registrant for the benefit
             of Sanwa Business Credit Corporation, relating to the
             Installment Note (14)

      10.45  Form of Security Agreement dated as of October 20,
             1989, entered into by Microsemi Corp.-Scottsdale for
             the benefit of Sanwa Business Credit Corporation
             relating to the Installment Note (14)

      10.46  Form of Security Agreement dated as of October 20,
             1989, entered into by Microsemi Corp.-Colorado for the
             benefit of Sanwa Business Credit Corporation relating
             to the Installment Note (14)

      10.47  Second Amended and Restated Credit Agreement dated as
             of November 1, 1989 by and between the Registrant and

                                       43
<PAGE>
 
             Security Pacific National Bank (15)

      10.48  First Amendment and Forbearance to the Registrant's
             Second Amended and Restated Credit Agreement dated as
             of November 1, 1990 (15)

      10.49  Confirmation dated December 10, 1990 from Security
             Pacific National Bank concerning the extension of the
             Registrant's line of credit and standby letters of
             credit to February 1, 1991 (15)

      10.50  Asset Purchase Agreement dated May 17, 1991 among
             ST-Semiconductors of Indiana, Inc., an Indiana
             corporation ("ST"), Lane Jorgensen, Joseph Kaszycki
             and Peter Klein, the ST stockholders, Microsemi ST-S,
             Inc., a Delaware corporation and subsidiary of the
             Registrant ("MSUB"), the Registrant, and INB National
             Bank, a national association ("INB"), pertaining to
             the purchase by MSUB of the ST assets from INB,
             together Exhibits A, B, C and H thereto (16)

      10.51  Credit Agreement dated July 3, 1991 between ST, MSUB
             and INB (16)

      10.52  Assignment and Assumption Agreement dated September 23, 
             1991 by and among Dynamic Circuits, Inc., a
             California corporation ("Dynamic"), Surface Mounted
             Technology Corporation, a California corporation
             ("SMTC") and the Registrant, pertaining to Dynamic's
             purchase from SMTC of the SMTC assets, together with
             the following supplemental documentation:  (a) Letter
             of Intent dated August 14, 1991 (and Addendum
             thereto); (b) Equipment Lease Agreement;
             (c) Promissory Note; and (d) Security Agreement (16)

      10.53  Loan and Security Agreement dated December 6, 1991
             between CoastFed Business Credit Corporation, a
             California corporation ("Coastfed"), and the
             Registrant, together with the following related
             documentation:  (a) Accounts Collateral Security
             Agreement; (b) Inventory Collateral Security
             Agreement; (c) Equipment Collateral Security
             Agreement; and (d) Continuing Guaranty, executed by
             the following subsidiaries of the Registrant as
             guarantor:  General Microcircuits, Inc., Microsemi

                                       44
<PAGE>
 
             Corp.-Scottsdale and Microsemi Corp.-Colorado (16)

      10.54  Asset Purchase Agreement dated May 28, 1992 between
             Micro USPD, Inc., a Delaware corporation and wholly-owned
             subsidiary of the Registrant ("Micro USPD"), and
             Unitrode Corporation, a Maryland corporation
             ("Unitrode") (17)

      10.55  Irish Acquisition Agreement dated July 2, 1992 among
             Unitrode Ireland, Ltd., an Irish corporation and
             wholly-owned subsidiary of Unitrode; Unitrode B.V., a
             Dutch corporation and wholly-owned subsidiary of
             Unitrode; and Micro (Bermuda), Ltd., a Bermudian
             corporation and wholly-owned subsidiary of the
             Registrant ("Micro Bermuda") (18)

      10.56  Dutch Acquisition Agreement dated July 2, 1992 among
             Unitrode Europe B.V., a Dutch corporation and wholly-owned
             subsidiary of Unitrode; Unitrode; and MicroBermuda (19)

      10.57  Extension Agreement and Amendment, dated July 2, 1992
             among Coastfed, the Registrant and certain
             subsidiaries of the Registrant (20)

      10.58  Form of Guarantees given by the Registrant to Midland
             Bank plc with regard to the obligations of Hybritek
             Limited dated September 3, 1992 and of Hybritek UK
             Limited dated October 7, 1992, both United Kingdom
             companies and indirect, wholly-owned subsidiaries of
             the Registrant (20)

      10.59  Asset Sale Agreement dated October 16, 1992 between
             Hybritek Limited and Hybritek UK Limited, both United
             Kingdom companies and indirect, wholly-owned
             subsidiaries of the Registrant (20)

      10.60  Share Sale and Purchase Agreement Relating to Hybritek
             UK Limited dated October 28, 1992 among Hybritek
             Limited, a United Kingdom company and indirect
             wholly-owned subsidiary of the Registrant; the
             Registrant; and Rood Technology UK Limited, a United Kingdom
             company (20), excluding the following schedules:

             First Schedule              Warranties
             Second Schedule             Deed of Indemnity

                                       45
<PAGE>
 
             Third Schedule              Short Particulars of the Property
             Fourth Schedule             Limitations
             Annexure 1                  Assets List

      10.61  Stock Sale and Assignment Agreement dated November 9,
             1992 among the Registrant, Microsemi Assembly and
             Test, Inc., a California corporation and wholly-owned
             subsidiary of the Registrant, and Ian S. Scott (20)

      10.62  Asset Purchase Agreement dated as of November 24, 1992
             by and between the Registrant and GI Corporation, a
             Delaware corporation (20)

      10.63  Amendment Agreement dated as of December 15, 1992
             between Coastfed and the Registrant and certain of its
             subsidiaries (20)

      10.64  Promissory Note dated December 21, 1992 made by the
             Registrant and payable to Norman Wechsler in the
             original principal amount of $150,000 and extension
             letter agreement dated April 23, 1993 (21)

      10.65  Waiver and First Amendment to Reimbursement Agreement
             dated as of January 8, 1993 between the Registrant and
             Bank of America NT&SA with respect to the
             Reimbursement Agreement (See Exhibit 10.14) dated as
             of February 1, 1988  (21)

      10.66  Senior Note Purchase Agreement dated March 25, 1993
             between the Registrant and Norman Wechsler, including
             as an exhibit thereto the form of Senior Promissory
             Note dated March 25, 1993 (21)

      10.67  Agreement for Purchase and Sale of Micro-Ceramx Assets
             dated June 25, 1993 between Micro-Ceramx Technology,
             Inc., a Utah corporation, formerly known as Microcap
             Corporation and a wholly-owned subsidiary of the
             Registrant and Custom Ceramic Products, Inc., a
             California corporation (21)

      10.68  Agreement for Purchase and Sale of Bikor Assets dated
             June 30, 1993 between Bikor Corporation, a California
             corporation and a wholly-owned subsidiary of the
             Registrant and BMA, Inc., a California corporation (21)

                                       46
<PAGE>
 
      10.69  Letter dated August 31, 1993 from Unitrode to the
             Registrant providing for amendments with respect to
             the Asset Purchase Agreement (See Exhibit 10.54) dated
             May 28, 1992 between Micro USPD and Unitrode excluding
             exhibits as follows (22):

             Amendments to Promissory Notes dated as of September 3,
             1993 between Micro USPD and Unitrode and the respective
             Promissory Notes dated July 2, 1992 attached as exhibits thereto

      10.70  Amended and Restated Loan and Security Agreement dated
             as of August 1, 1993 between Micro Quality
             Semiconductor, Inc., a California corporation, and a
             wholly-owned subsidiary of the Registrant ("Micro
             Quality") and The CIT Group/Credit Finance, Inc.
             excluding exhibits as follows (22):

             Second Amended and Restated Promissory Note
             Term Note
             Permitted Liens and Security Interests
             List of Locations of Collateral

      10.71  Guaranty dated August 1, 1993 by the Registrant
             respecting Micro Quality's obligations to The CIT
             Group/Credit Finance, Inc. (22)

      10.72  Agreement dated March 30, 1994 between Coastfed and
             the Registrant,  Microsemi Corp.-Scottsdale, Microsemi
             Corp.-Colorado, General Microcircuits, Inc., Micro-USPD,
             Inc. and Omni Technology Corporation (23)

      10.73  Amendment to the Registrant's 1987 Stock Plan.  (25)

      10.74  Executive Compensation Plans and Arrangements (26).

      10.75  Bill of Sales and Purchase agreement between Telcom 
             Universal Inc. And Microsemi Corporation (26)

      10.76  Supplemental to financing documents (Indenture of Trust and Loan
             agreement) relating to Industrial Development Authority of the City
             of Santa Ana, 1985 Industrial Development Revenue Bonds Microsemi
             Corporation Project) dated as of January 15, 1995. (26)

     10.77   Amendments of the 1987 Microsemi Corporation Stock Plan. Adopted
             on May 16, 1995.  (27)

                                       47
<PAGE>
 
     10.78   Motorola-Microsemi PowerMite(R) Technology Agreement. (28)

     10.79   Revolving Line of Credit Agreement Between Microsemi Corporation
             and Imperial Bank.

     11.6    Earnings per share calculation.

     23.1    Consent of Independent Accountants (form S-3).

     23.2    Consent of Independent Accountants (form S-8). 

     27.8    Financial data schedule for the fiscal year ended 
             September 29, 1996.


(1)    Filed in Registration Statement (No. 33-3845) and incorporated herein by 
       this reference.
 
(2)    Filed in Registration Statement (No. 33-11967) and incorporated herein by
       this reference.

(3)    Filed with the Registrant's S-8 dated January 27, 1986 and incorporated 
       herein by this reference.

(4)    Filed with the Registrant's 10-K for fiscal year ended September 29, 1985
       and incorporated herein by this reference.

(5)    Incorporated by reference to the indicated Exhibit to the Registrant's
       Annual Report on Form 10-K filed with the Commission for the fiscal year
       ended September 28, 1986.

(6)    Incorporated by reference form Exhibit A to the Registrant's definitive 
       Proxy Statement dated January 19, 1987.

(7)    Incorporated by reference to the indicated Exhibit to the Registrant's
       Current Report on Form 8-K filed with the Commission on or about 
       December 23, 1987.


(8)    Incorporated by reference to the indicated Exhibit to the Registrant's
       Annual Report on Form 10-K filed with the Commission for the fiscal year
       ended September 27, 1987.

(9)    Incorporated by reference to the indicated Exhibit to the Registrant's
       Annual Report on Form 10-K filed with the Commission for the fiscal year
       ended October 2, 1988.

(10)   Incorporated by reference to Exhibit 10.33 to the Registrant's Current
       Report on Form 8-K, as amended, as filed with Commission on or about



                                       48
<PAGE>
 
       April 6, 1989.

(11)   Incorporated by reference to Exhibit 10.34 to the Registrant's Current
       Report on Form 8-K, as filed with the Commission on or about December
       22, 1989.

(12)   Incorporated by reference to Exhibit 10.35 to the Registrant's Current
       Report on Form 8-K, as filed with the Commission on or about December
       22, 1989.

(13)   Incorporated by reference to Exhibit 10.36 to the Registrant's Current
       Report on Form 8-K, as filed with the Commission on or about December
       22, 1989.

(14)   Incorporated by reference to the indicated Exhibit to the Registrant's
       Annual Report on Form 10-K filed with the Commission for the fiscal year
       ended October 1, 1989.

(15)   Incorporated by reference to the indicated Exhibit to the Registrant's
       Annual Report on Form 10-K filed with the Commission for the fiscal year
       ended September 30, 1990.

(16)   Incorporated by reference to the indicated Exhibit to the Registrant's
       Annual Report on Form 10-K filed with the Commission for the fiscal year
       ended September 29, 1991.

(17)   Incorporated by reference to Exhibit 2.1 to the Registrant's Form 8
       Amendment No. 1, as filed with the Commission on September 8, 1992, to
       its Current Report on Form 8-K dated July 2, 1992.

(18)   Incorporated by reference to Exhibit 2.2 to the Registrant's Form 8
       Amendment No. 1, as filed with the Commission on September 8, 1992, to
       its Current Report on Form 8-K dated July 2, 1992.

(19)   Incorporated by reference to Exhibit 2.3 to the Registrant's Form 8
       Amendment No. 1, as filed with the Commission on September 8, 1992, to
       its Current Report on Form 8-K dated July 2, 1992.

(20)   Incorporated by reference to the indicated Exhibit to the Registrant's
       Annual Report on Form 10-K filed with the Commission for the fiscal year
       ended September 27, 1992.

(21)   Incorporated by reference to the indicated Exhibit to the Registrant's
       Quarterly Report on Form 10-Q filed with the Commission for the fiscal
       quarter ended July 4, 1993.

                                       49
<PAGE>
 
(22)   Incorporated by reference to the indicated Exhibit to the Registrant's
       Annual Report on Form 10-K filed with the Commission for the fiscal year
       ended October 3, 1993.

(23)   Incorporated by reference to the indicated Exhibit to the Registrant's
       Quarterly Report on Form 10-Q filed with the Commission for the fiscal
       quarter ended April 3, 1994.

(24)   Incorporated by reference to the indicated Exhibit to the Registrant's
       Current Report on Form 8-K, as filed with the Commission dated June 8,
       1994.

(25)   Incorporated by reference to the indicated Exhibit to the
       Registrant's Current Report on Form 10-K as filed  with the
       Commission for the fiscal year ended October 2, 1994.

(26)   Incorporated by reference to the indicated Exhibit to the Registrant's
       Quarterly Report o Form 10-Q filed with the Commission for the fiscal
       quarter ended April 2, 1995

(27)   Incorporated by reference to the indicated Exhibit to the Registrant's
       Quarterly Report on Form 10-Q filed with the Commission for the fiscal
       quarter ended July 2, 1995.

(28)   Incorporated by reference to the indicated Exhibit to the Registrant's
       Quarterly Report on Form 10-Q filed with the Commission for the fiscal
       quarter ended March 31, 1996.

(29)   Incorporated by reference to the indicated Exhibit to the Registrant's
       Current Report on Form 8-K, as filed with the Commission dated June 26,
       1992.


                                      50

<PAGE>
 
                                                                   EXHIBIT 10.79

IMPERIAL BANK                                    September 24, 1996
9777 Wilshire Blvd.
Beverly Hills, CA 90212

Subject:  CREDIT TERMS AND CONDITIONS

Gentlemen:

To induce you to make loans to Microsemi Corporation; Microsemi Corp. -
Scottsdale; Microsemi Corp. - Colorado; General Microcircuits, Inc.; Micro USPD,
Inc.; Sertech Laboratories, Inc.; Salem Scientific, Inc.; Micro Quality
Semiconductor, Inc.; and RPM-Micro, Inc. (herein collectively called
"Borrower"), and in consideration of any loan or loans you, in your sole
discretion, may make to Borrower, Borrower warrants and agrees as follows:

A. Borrower represents and warrants that:

     1.   Existence and Rights.  Microsemi Corporation is a corporation duly
organized and existing and in good standing under the laws of the State of
Delaware, without limit as to the duration of its existence and is authorized
and in good standing to do business in the State of California; Microsemi Corp.
- - Scottsdale is a corporation duly organized and existing and in good standing
under the laws of the State of Arizona, without limit as to the duration of its
existence; Microsemi Corp. - Colorado is a corporation duly organized and
existing and in good standing under the laws of the State of Colorado, without
limit as to the duration of its existence; General Microcircuits, Inc. is a
corporation duly organized and existing and in good standing under the laws of
the State of North Carolina, without limit as to the duration of its existence;
Micro USPD, Inc. is a corporation duly organized and existing and in good
standing under the laws of the State of Delaware, without limit as to the
duration of its existence; Sertech Laboratories, Inc. is a corporation duly
organized and existing and in good standing under the laws of the State of
Delaware, without limit as to the duration of its existence; Salem Scientific,
Inc. is a corporation duly organized and existing and in good standing under the
laws of the State of Delaware, without limit as to the duration of its
existence; Micro Quality Semiconductor, Inc. is a corporation duly organized and
existing and in good standing under the laws of the State of California, without
limit as to the duration of its existence and is authorized and in good standing
to do business in the State of California; RPM-Micro, Inc. is a corporation duly
organized and existing and in good standing under the laws of the State of Utah,
without limit as to the duration of its existence and is authorized and in good
standing to do business in the State of California.  Borrower has powers and
adequate authority, rights and franchises to own its property and to carry on
its business as now conducted, and is duly qualified and in good standing in
each State in which the character of the properties owned by it therein or the
conduct of its business makes such qualification necessary; and Borrower has the
power and adequate authority to make and carry out this Agreement.

     2.   Agreement Authorized.  The execution, delivery and performance of this
Agreement are duly authorized and do not require the consent or approval of any
governmental body or other regulatory authority; are not in contravention of or
in conflict with any law or regulation or any term or provision of Borrower's
articles of incorporation, by-laws, or Articles of Association, as the case may
be, and this Agreement is the valid, binding and legally enforceable obligation
of Borrower in accordance with its terms.

     3.   No Conflict.  The execution, delivery and performance of this
<PAGE>
 
Agreement are not in contravention of or in conflict with any agreement,
indenture or undertaking to which Borrower is a party or by which it or any of
its property may be bound or affected, and do not cause any lien, charge or
other encumbrance to be created or imposed upon any such property by reason
thereof.

     4.   Litigation.  There is no litigation or other proceeding pending or
threatened against or affecting Borrower, and Borrower is not in default with
respect to any order, writ, injunction, decree or demand of any court or other
governmental or regulatory authority.

     5.   Financial Condition.  The consolidated and consolidating balance
sheets of Microsemi Corporation as of March 31, 1996, a copy of which has
heretofore been delivered to you by Borrower, and all other statements and data
submitted in writing by Borrower to you in connection with this request for
credit are true and correct, and said balance sheet truly presents the financial
condition of Borrower as of the date thereof, and has been prepared in
accordance with generally accepted accounting principles on a basis consistently
maintained.  Since such date there have been no material adverse changes in the
ordinary course of business.  Borrower has no knowledge or any liabilities,
contingent or otherwise, at such date not reflected in said balance sheet, and
Borrower has not entered into any special commitments or substantial contracts
which are not reflected in said balance sheet, other than in the ordinary and
normal course of its business, which may have a materially adverse effect upon
its financial condition, operations or business as not conducted.

     6.   Title to Assets.  Borrower has good title to its assets, and the same
are not subject to any liens or encumbrances other than those permitted by
Section C.3 hereof.

     7.   Tax Status.  Borrower has no liability for any delinquent state, local
or federal taxes, and, if Borrower has contracted with any government agency,
Borrower has no liability for renegotiation of profits.

     8.   Trademarks, Patents.  Borrower, as of the date hereof, possesses all
necessary trademarks, trade names, copyrights, patents, patent rights, and
licenses to conduct its business as now operated, without any known conflict
with the valid trademarks, trade names, copyrights, patents and license rights
of others.

     9.   Regulation U.  The proceeds of this loan shall not be used to purchase
or carry margin stock (as defined within Regulation U of the Board of Governors
of The Federal Reserve system).

B.  Borrower agrees that so long as it is indebted to you, under borrowings, or
other indebtedness, it will, unless you shall otherwise consent in writing:

     1.   Rights and Facilities.  Maintain and preserve all rights, franchises
and other authority adequate for the conduct of its business; maintain its
properties, equipment and facilities in good order and repair; conduct its
business in an orderly manner without voluntary interruption and, if a
corporation or partnership, maintain and preserve its existence.

     2.   Insurance.  Maintain public liability, property damage and workers'
compensation insurance and insurance on all its insurable property against fire
and other hazards with responsible insurance carriers to the extent usually
maintained by similar businesses and/or in the exercise of good business
judgment.

     3.   Taxes and Other Liabilities.  Pay and discharge, before the same
<PAGE>
 
become delinquent and before penalties accrue thereon, all taxes, assessments
and governmental charges upon or against it or any of its properties, and all
its other liabilities at any time existing, except to the extent and so long as:

     a.   The same are being contested in good faith and by appropriate
     proceedings in such manner as not to cause any materially adverse effect
     upon its financial condition or the loss of any right of redemption from
     any sale thereunder; and

     b.   It shall have set aside on its books reserves (aggregated to the
     extent required by generally accepted accounting practice) deemed by it
     adequate with respect thereto.

     4.   Net Worth and Working Capital.  Borrower shall maintain a consolidated
Tangible Net Worth (meaning the excess of all assets, excluding any value for
good will, trademarks, patents, copyrights, leaseholds, organization expense and
other similar intangible items, over its liabilities, excluding debt
subordinated to Bank) of not less than $55,000,000; maintain consolidated Net
Current Assets (i.e. working capital) of not less than $40,000,000; maintain a
ratio of consolidated current assets to current liabilities of not less than
1.80 to 1.00; and maintain a ratio of consolidated debt (excluding debt
subordinated to Bank) to Tangible Net Worth of not greater than 1.25 to 1.00,
all as computed and determined in accordance with generally accepted accounting
principles on a basis consistently maintained by Borrower.

     5.   Records and Reports.  Maintain a standard and modern system of
accounting in accordance with generally accepted accounting principles on a
basis consistently maintained;  permit your representatives to have access to,
and to examine its properties, books and records at all reasonable times during
normal business hours; and furnish you:

     a.   As soon as available, and in any event within forty-five (45) days
     after the close of each quarter, other than the last quarter, of each
     fiscal year of Borrower, commencing with the quarter next ending, a
     consolidated and consolidating balance sheet, profit and loss statement and
     reconciliation of Borrower's capital accounts as of the close of such
     period and covering operations for the portion of Borrower's fiscal year
     ending on the last day of such period, all in reasonable detail and stating
     in comparative form the figures for the corresponding date and period in
     the previous fiscal year, prepared in accordance with generally accepted
     accounting principles on a basis consistently maintained by Borrower and
     certified by an appropriate officer of Borrower, subject, however, to year-
     end audit adjustments.

     b.   As soon as available, and in any event within ninety (90) days after
     the close of each fiscal year of Borrower, a consolidated and consolidating
     report of audit of Company as of the close of and for such fiscal year, all
     in reasonable detail and stating in comparative form the figures as of the
     close of and for the previous fiscal year, with the unqualified opinion of
     accountants satisfactory to you.

     c.   Within ninety (90) days after the end of each fiscal year of borrower,
     a certificate of chief financial officer or partner of Borrower, stating
     that Borrower has performed and observed each and every covenant contained
     in this Letter to be performed by it and that no event has occurred and no
     condition then exists which constitutes an event of default hereunder of
     would constitute such an event of default upon the lapse of time or upon
     the giving of notice and the lapse of time specified herein; or, if any
     such event has occurred or any such 
<PAGE>
 
     condition exists, specifying the nature thereof;

     d.   Promptly after the receipt thereof by Borrower, and in any event
     within copies of any detailed audit reports submitted to Borrower by
     independent accountants in connection with each annual or interim audit of
     the accounts of Borrower made by such accountants.

     e.   Promptly after the same are available, copies of all such proxy
     statements, financial statements and reports as Borrower shall send to its
     stockholders, if any, and copies of all reports which Borrower may file
     with the Securities and Exchange Commission or any governmental authority
     at any time substituted therefor; and

     f.   Such other information relating to the affairs of Borrower as you
     reasonably may request from time to time.

     6.   Notice of Default.  Promptly notify Bank in writing of the occurrence
of any event of default hereunder or event which, upon the notice and lapse of
time, would be an event of default.

C.   Borrower agrees that so long as it is indebted to you, it will not, without
your written consent, such consent not to be reasonably denied:

     1.   Type of Business; Executive Management.  Make any substantial change
in the character of its business; or make any change in its executive
management.

     2.   Outside Indebtedness.  Create, incur, assume or permit to exist any
indebtedness for borrowed moneys other than loans from you except obligations
now existing as shown in the financial statement dated March 31, 1996, excluding
those being refinanced by your bank; or sell or transfer, either with or without
recourse, any accounts or notes receivable or any moneys due to become due.

     3.   Liens and Encumbrances.  Create, incur, or assume any mortgage,
pledge, encumbrance, lien or charge of any kind upon any asset now owned, other
than existing liens disclosed on the financial statement referenced in 2 above,
liens for taxes not delinquent and liens in your favor.

     4.   Loans, Investments, Secondary Liabilities.  Make any loans or advances
to any person or other entity other than in the ordinary course and normal
course of its business as now conducted or make any investment in the securities
of any person or other entity other than the United States Government; or
guarantee or otherwise become liable upon the obligation of any person or other
entity, except by endorsement of negotiable instruments for deposit or
collection in the ordinary and normal course of its business.

     5.   Acquisition or Sale of Business; Merger or Consolidation. Purchase or
otherwise acquire the assets or business of any person or other entity in excess
of $3,000,000 in the aggregate in any fiscal year; or liquidate, dissolve, merge
or consolidate, or commence any proceedings therefor; or sell any assets except
in the ordinary and normal course of its business as now conducted; or sell,
lease, assign, or transfer any substantial part of its business or fixed assets,
or any property or other assets necessary for the continuance of its business as
now conducted, including without limitation the selling of any property or other
asset accompanied by the leasing back of the same.

     6.   Dividends, Stock Payments.  Borrower may declare or pay dividend or
make a distribution on any of its capital stock now outstanding or hereafter
issued or purchase, redeem or retire any of such stock so long as it 
<PAGE>
 
is in compliance with all financial covenants herein and so long as said
dividend payments, distributions or purchases shall not cause a default under
the financial covenants; and so long as Borrower is not in default of any of its
obligations to Imperial Bank.

     7.   Capital Expenditures.  Make or incur obligations for capital
expenditures in excess of $7,000,000 in the period from the date hereof to
September 30, 1996 or in excess of $7,000,000 in any one fiscal year thereafter.

     D.   The occurrence of any of the following events of default shall, at
your option, terminate your commitment to lend and make all sums of principal
and interest then remaining unpaid on all Borrower's indebtedness to you
immediately due and payable, all without demand, presentment or notice, all of
which are hereby expressly waived:

     1.   Failure to Pay Note.  Failure to pay any installment of principal of
or interest on any indebtedness of Borrower to you.

     2.   Breach of Covenant.  Failure of Borrower to perform any other term or
condition of this agreement binding upon Borrower, where such breach has a
material consequence.

     3.   Breach of Warranty.  Any of Borrower's representations or warranties
made herein or any statement or certificate at any time given in writing
pursuant hereto or in connection herewith shall be false or misleading in any
material respect.

     4.   Insolvency; Receiver or Trustee.  Borrower shall become insolvent; or
admit its inability to pay its debts as they mature; or make an assignment for
the benefit of creditors; or apply for or consent to the appointment of a
receiver or trustee for it or for a substantial part of its property or
business.

     5.   Judgments, Attachments.  Any money judgment, writ or warrant of
attachment, or similar process shall be entered or filed against Borrower or any
of its assets and shall remain unvacated, unbonded or unstayed for a period of
10 days or in any event later than five days prior to the date of any proposed
sale thereunder.

     6.   Bankruptcy.  Bankruptcy, insolvency, reorganization or liquidation
proceedings or other proceedings for relief under any bankruptcy law or any law
for the relief of debtors shall be instituted by or against Borrower and, if
instituted against it, shall be consented to.

E.   Miscellaneous Provisions.

     1.   Failure or Indulgence Not Waiver.  No failure or delay on the part of
Bank or any holder of  Notes issued hereunder, in the exercise of any power,
right or privilege hereunder shall operate as a waiver thereof, nor shall any
single or partial exercise of any such power, right or privilege preclude other
or further exercise thereof or of any other right, power or privilege.  All
rights and remedies existing under this agreement or any note issued in
connection with a loan that Imperial Bank may make hereunder, are cumulative to,
and not exclusive of, any rights or remedies otherwise available.

     2.   Proposal Letter and Addendum to Loan Documents.  The Proposal Letter
dated June 18, 1996, a copy of which is attached as Exhibit A (the "Letter") and
the Addendum to Loan Documents, a copy of which is attached as Exhibit B (the
"Addendum"), are hereby incorporated by reference and the 
<PAGE>
 
provisions of each shall apply to the credit to Borrower. In the event of any
conflict in the provision of this Agreement and the Letter, the provisions of
the Letter shall prevail. In the event of any conflict in the provisions of any
of the other Loan documents and the Addendum, the provisions of the Addendum
shall prevail.

MICROSEMI CORPORATION

MICROSEMI CORP.-SCOTTSDALE

MICROSEMI CORP.-COLORADO

GENERAL MICROCIRCUITS, INC.

MICRO USPD, INC.

SERTECH LABORATORIES, INC.

SALEM SCIENTIFIC, INC.

MICRO QUALITY SEMICONDUCTOR, INC.

RPM-MICRO, INC.

("BORROWER")


BY:  /s/ Philip Frey, Jr.
     --------------------
     Philip Frey, Jr.
     President and CEO
<PAGE>
 
                                  EXHIBIT "A"
                                  -----------



June 18, 1996



Mr. Philip Frey, Jr.
Chairman of the Board, President and CEO
Microsemi Corporation
2830 South Fairview Street
Santa Ana, Ca 92704

Dear Mr. Frey:

Based on our discussions concerning the financing needs of Microsemi Corporation
& Subsidiaries ("Borrower"), and based on our review of the information provided
to date, Imperial Bank ("Bank") is pleased to propose the following financial
arrangements.  The matters outlined herein constitute a proposal as to certain
of the terms and conditions under which the Bank may provide working capital
financing.  It is intended to be used as a vehicle to confirm certain
understandings, encourage continued discussions and further the due diligence,
and does not constitute a commitment on the part of the Bank at this time.

Borrower:      Microsemi Corporation & Subsidiaries

Facility Type
and Amount:  $15,000,000 revolving line of credit.

               Within the line of credit, Borrower may utilize eligible Bankers
               Acceptances to an aggregate of $5,000,000 with each Bankers
               Acceptance in an amount not less than $500,000.  The tenor of
               each Bankers Acceptance will be, at the option of Borrower, from
               30 to 90 days.

Purpose:       A line of credit under which Bank will make advances to Borrower
               from time to time up to and including the maturity date as
               referenced below, the proceeds of which shall be used for general
               operating needs. Initial funding will retire revolving debt and
               term loan balance under current line of credit with Coast
               Business Credit and participant.

Interest Rate
and Fees:      Advances:

               Zero percent (0.00%) in excess of Imperial Bank's announced Prime
               Rate as it may vary from time to time. Interest will be payable
               monthly, and is calculated on a 360 day basis.
<PAGE>
 
               Bankers Acceptances:

               Two percent (2.00%) in excess of Imperial Bank's announced
               Bankers Acceptance Rate for the term selected by Borrower.
               Interest charged will be calculated at a discount from the face
               amount of the Bankers Acceptance created by Bank on the behalf of
               Borrower, based on a 360-day year.

               A one-quarter percent (0.25%) loan fee, or $37,500, payable at
               loan closing.

               A one-eighth percent (0.125%) unused commitment fee, computed and
               payable quarterly based on the difference between the facility
               amount and the average outstanding principal balance for the
               period then-ended. However, if the average outstanding borrowings
               exceed $8,000,000 for any such period, there shall be no unused
               commitment fee for such period.

Repayment
Schedule:      Interest only; due monthly on the first day of each month.
               Principal due at maturity.

Maturity:      364 days.

Collateral:    Borrower shall execute a Security Agreement and UCC-1 Financing
               Statement providing Bank with a first priority security interest
               in all corporate assets including, but not limited to, accounts
               receivable, inventory, equipment and general intangibles.

Principal Loan Covenants:

               All extension of credit proposed by the Bank to Borrower, as set
               forth herein will be subject to and governed by a Security and
               Loan agreement and a Credit Terms and Conditions Agreement
               acceptable to Bank. These terms and conditions may include, but
               not be limited to, the following:

          1)   Submit quarterly 10-Q financial reports within forty-five (45)
               days following end of each quarter.

          2)   Submit annual audited financial statements (together with Form 
               10-K) audited by an independent accounting firm acceptable to
               Bank, within ninety (90) days of each fiscal year end.

          3)   Submit 12-month financial projections quarterly within forty-five
               (45) days following end of each quarter.

          4)   Borrower will be required to maintain profitable operations on a
               quarterly basis.
<PAGE>
 
          5)   Borrower will be required to maintain yet to be determined
               minimum levels for working capital, current ratio, quick ratio,
               and tangible net worth, and a maximum leverage ratio. Borrower
               will be required to comply with other covenants that Bank may
               deem appropriate.

          6)   All other information that Bank may reasonably request.

Conditions Precedent to Lending:

          1)   Satisfactory completion of Bank's due diligence process.

          2)   No material adverse change in Borrower's financial condition
               prior to funding.

          3)   Formal credit approval by Imperial Bank and issuance of a formal
               commitment.

          4)   Evidence satisfactory to Imperial Bank of the perfections of all
               security interests to be granted by Borrower to Bank.

          5)   Completion of documentation and final terms of the proposed
               financing satisfactory to Bank.

Confidentially:

This letter is provided solely for your information and is delivered to you with
the understanding that neither it, nor its substance, shall be disclosed to any
third person, except those who are in confidential relationship with you, or
where the same is required by law.

This letter is meant to be a working document, outlining the general terms and
conditions under which Imperial Bank would be willing to consider a financing
arrangement for Microsemi Corporation and Subsidiaries.  It is not meant to be a
comprehensive list of terms and conditions that may apply to any future
commitment or any credit agreement or other document that may be entered into by
and between Bank and Borrower.  Rather, it is intended to only outline certain
basic points of business understanding around which further discussions may take
place.

Please understand that by approval of this proposal you acknowledge that it is
issued at a time when the Bank has not undertaken a full business, credit and
legal analysis of the Borrower.  As a result of further analysis and
investigation by us, or by reason of information of which we are not now aware,
impediments to closing may be discovered.

We may require that the arrangements be restructured or otherwise modified to
make allowance for such impediments, or they may be so serious as to prevent the
closing of these financial arrangements.

We hope this proposal is acceptable to you, and request that you execute the
enclosed copy of this letter and return it to us prior to June 21, 1996, at
which time this proposal will expire.
<PAGE>
 
We look forward to your decision soon and to the possibility of establishing a
long and mutually beneficial relationship with you and your fine company.

Sincerely,

IMPERIAL BANK

/s/ Alan D. Hackney                    /s/ C.H. Avis
- -------------------                    ----------------
Alan D. Hackney                        C.H. Avis
Vice President                         Regional Vice President


ACKNOWLEDGED AND ACCEPTED BY:

Microsemi Corporation & Subsidiaries  Date: 6/19/96
                                            -------


/s/ Philip Frey, Jr.
- ------------------
Philip Frey, Jr., Chairman of the Board, President and CEO


cc: David R. Sonksen, VP Finance, CFO, Treasurer and Secretary
<PAGE>
 
                     MICROSEMI CORPORATION & SUBSIDIARIES
                     ------------------------------------
                     PROPOSED PRIMARY FINANCIAL COVENANTS
                     ------------------------------------

<TABLE>
 
<S>                                       <C>              <C> 
MINIMUM WORKING CAPITAL:                  $40,000,000
 
MINIMUM CURRENT RATIO:                         1.80:1
 
MINIMUM TANGIBLE NET WORTH*:              $55,000,000
 
MAXIMUM DEBT TO TANGIBLE NET WORTH*:           1.25:1
 
CAPITAL EXPENDITURES:                     $ 7,000,000       per annum
</TABLE>
*Including Subordinated Debt
<PAGE>
 
                          ADDENDUM TO LOAN DOCUMENTS


     This addendum is executed as of September 24, 1996 by Microsemi
Corporation; Microsemi Corp.-Scottsdale; Microsemi Corp.-Colorado; General
Microcircuits, Inc; Micro USPD, Inc.; Sertech Laboratories, Inc.; Salem
Scientific, Inc.; Micro Quality Semiconductor, Inc.; and RPM-Micro, Inc. (herein
collectively called "Borrower", "Debtor" or "Obligor") and Imperial Bank
("Bank") in connection with the Loan Documents for the $15,000,000 credit
facility.  The provisions hereof shall modify and amend all such Loan Documents
to the extent applicable to effect the provisions hereof.

     1.   Defaults shall be defined as follows:

     (a)  Obligor's failure to pay any agreed upon or liquidated monetary
obligation under any document or instrument with Bank if not paid within ten
(10) days of the due date;

     (b)  Obligor's failure to perform any non-monetary obligations or breach of
any warranty under any agreement, document or instrument with Bank if not cured
within thirty (30) days after the date for performance.

     (c)  Any actual or reasonably anticipated deterioration of the Collateral
or in the market price thereof not covered by insurance and in an amount greater
than $500,000 which causes the Collateral, in Bank's judgment, to become
unsatisfactory as security which continues thirty (30) days after written notice
from Bank to Obligor and opportunity to cure.

     (d)  Any levy, seizure or attachment against Borrower or any material
amount of Collateral if not stayed or released within thirty (30) days or in any
event later than five (5) days prior to the date of any proposed sale
thereunder;

     (e)  Termination of business, assignment for creditors, acknowledgment in
writing by the Borrower or any Obligor of insolvency, appointment of a receiver
if not stayed within thirty (30) days, or the filing of any petition under
bankruptcy or debtor's relief laws either by or consented to by Obligor or
Borrower or any guarantor of the Debt or against the same if not set aside,
withdrawn, stayed, or ceasing to be in effect within thirty (30) days after such
filing;

     (f)  Any warranty or representation which is false or is believed by Bank
to be false in any material respect when made following thirty (30) days from
written notice by Bank to Obligor and opportunity therein to cure.

     2.   Collateral shall exclude money and property from time to time
delivered to and deposited with Bank of America, its successors or assigns, as
collateral for the repayment of Debtor's obligations under a Reimbursement
Agreement dated as of February 1, 1985, as amended, between Debtor and such
bank, and all proceeds thereof.
<PAGE>
 
     3.   Notwithstanding Section 5(e) of the General Security Agreement, Debtor
or any Obligor may compromise, settle or adjust any account or renew or settle
or extend the time for payment thereof in the ordinary course of its business.

     4.   The power attorney granted to Bank in Section 10 of the General
Security Agreement shall only be applicable of upon the occurrence of an event
of default.

     This Addendum is executed on behalf of the parties by duly authorized
representatives as of the date first above written.


                                  MICROSEMI CORPORATION

                                  MICROSEMI CORP.-SCOTTSDALE               
                                                                           
                                  MICROSEMI CORP.-COLORADO                 
                                                                           
                                  GENERAL MICROCIRCUITS, INC.              
                                                                           
                                  MICRO USPD, INC.                         
                                                                           
                                  SERTECH LABORATORIES, INC.               
                                                                           
                                  SALEM SCIENTIFIC, INC.                   
                                                                           
                                  MICRO QUALITY SEMICONDUCTOR, INC.        
                                                                           
                                  RPM-MICRO, INC.                          
                                                                           
                                                                           
                                  BY: /s/ PHILIP FREY, JR.
                                      --------------------                   
                                      Philip Frey, Jr.                     
                                      President and CEO                    
                                                                           
                                                                           
                                  IMPERIAL BANK                            
                                                                           
                                                                           
                                  By: _________________                    
                                                                           
                                                                           
                                  By: _________________                     

<PAGE>
 
                                                                    Exhibit 11.6
                    Microsemi Corporation and Subsidiaries
                              Earnings Per Share
   For each of the three fiscal years in the period ended September 29, 1996
                     (in thousands, except per share data)

<TABLE> 
<CAPTION> 
                                      1996      1995      1994
<S>                                   <C>       <C>      <C> 
PRIMARY

Net income (loss)                     $ 8,100   $ 6,053  $(2,130)
                                      =======   =======  =======

Equivalent shares outstanding           7,860     7,789    7,573
Equivalent shares from stock options      428       424        0
                                      -------   -------  -------
Primary common and common
   equivalent shares                    8,288     8,213    7,573
                                      =======   =======  =======

Primary earnings (loss)  per share    $  0.98   $  0.74  $ (0.28)
                                      =======   =======  =======

FULLY DILUTED

Net income (loss)                     $ 8,100   $ 6,053  $(2,130)
Interest savings from conversion
   of convertible debt                  1,297     1,334        0
                                      -------   -------  -------
Fully diluted net income (loss)       $ 9,397   $ 7,387  $(2,130)
                                      =======   =======  =======

Equivalent shares outstanding           7,868     7,789    7,573
Equivalent shares from stock options      428       549        0
Convertible shares                      3,509     3,523        0
                                      -------   -------  -------
Fully diluted common and common
   equivalent shares                   11,805    11,861    7,573
                                      =======   =======  =======

Fully diluted earnings (loss) 
   per share                          $  0.80   $  0.62  $ (0.28)
                                      =======   =======  =======
</TABLE> 

<PAGE>
 
                                                                    EXHIBIT 23.1



                       CONSENT OF INDEPENDENT ACCOUNTANTS
                       ----------------------------------



We hereby consent to the incorporation by reference in the Prospectus
constituting part of the Registration Statement on Form S-3 (No. 33-62561) of
Microsemi Corporation of our report dated November 21, 1996, appearing on page
14 of this Form 10-K.



PRICE WATERHOUSE LLP
Costa Mesa, California
December 17, 1996

<PAGE>
 
                                                                    EXHIBIT 23.2



                       CONSENT OF INDEPENDENT ACCOUNTANTS
                       ----------------------------------



We hereby consent to the incorporation by reference in the Registration
Statement on Form S-8 (files nos. 33-2607, 33-16711, 2-77708) of Microsemi
Corporation of our report dated November 21, 1996, appearing on page 14 of this
Form 10-K.



PRICE WATERHOUSE LLP
Costa Mesa, California
December 17, 1996

<TABLE> <S> <C>

<PAGE>
 
<ARTICLE> 5
<LEGEND>
MICROSEMI CORPORATION AND SUBSIDIARIES FINANCIAL DATA SCHEDULE FOR THE FISCAL
YEAR ENDED SEPTEMBER 29, 1996 (AMOUNTS IN THOUSANDS, EXCEPT EARNINGS PER SHARE)
</LEGEND>
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                          SEP-29-1996
<PERIOD-START>                             OCT-02-1995
<PERIOD-END>                               SEP-29-1996
<CASH>                                           4,059
<SECURITIES>                                         0
<RECEIVABLES>                                   26,899
<ALLOWANCES>                                     2,159
<INVENTORY>                                     47,279
<CURRENT-ASSETS>                                84,232
<PP&E>                                          57,278
<DEPRECIATION>                                  31,637
<TOTAL-ASSETS>                                 114,439
<CURRENT-LIABILITIES>                           34,676
<BONDS>                                         46,420
                                0
                                          0
<COMMON>                                         1,582
<OTHER-SE>                                      27,826     
<TOTAL-LIABILITY-AND-EQUITY>                   114,439
<SALES>                                        157,435
<TOTAL-REVENUES>                               157,435
<CGS>                                          115,320
<TOTAL-COSTS>                                  115,320
<OTHER-EXPENSES>                                   545
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               4,440
<INCOME-PRETAX>                                 13,966
<INCOME-TAX>                                     5,866
<INCOME-CONTINUING>                              8,100
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     8,100
<EPS-PRIMARY>                                      .98
<EPS-DILUTED>                                      .80
        

</TABLE>


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