Document:

Executive Employment Agreement

 Exhibit 10.4 
 SIRENZA MICRODEVICES, INC. 
 EXECUTIVE EMPLOYMENT AGREEMENT 
 THIS AGREEMENT (the “Agreement”), is made and entered into by and between SIRENZA MICRODEVICES, INC. (the
“Company”) and Phillip Chuanze Liao (“Executive”), and will become effective only upon and as of the Effective Date. As used herein, the “Effective Date” means the Effective Date (as defined
therein) of the merger of Premier Devices, Inc., a California corporation (“Penguin”) with and into Penguin Acquisition Corporation, a California corporation and a wholly-owned subsidiary of the Company (“Merger
Sub”), pursuant to the Agreement and Plan of Merger dated February 4, 2006 by and among the Company, Merger Sub, Executive, Yeechin Liao and Penguin (the “Merger Agreement”) has occurred. 
 WHEREAS, the Company wishes to engage Executive as the President of Penguin, which will be the Company’s wholly-owned subsidiary following the
Closing (the “Operating Subsidiary”), as part of the Company’s continuing efforts to build stockholder value; and 
 WHEREAS, the Compensation Committee of the Company’s Board of Directors, comprised solely of disinterested directors, has determined to provide Executive with this employment agreement, including the severance package and other
benefits provided hereby, for the purpose of inducing Executive to continue serving in this capacity and further to provide diligent and efficacious services to the Company during his employment. 
 NOW, THEREFORE, for good and valuable consideration, the parties hereto agree as follows: 
 I. Employment. The Company hereby employs Executive, and Executive hereby accepts employment, upon the terms and conditions hereinafter set
forth. 
 II. Term. Subject to the provisions for termination as hereinafter provided, the term of this Agreement is for a
period commencing on the Effective Date and ending on the date that is two years following the Effective Date (the “Initial Term”). As used in this Agreement, the “Employment Period” shall mean the Initial Term.

 III. Duties. Executive is engaged as President of the Operating Subsidiary, to have responsibility for and authority over
the day-to-day management of the Operating Subsidiary and shall have full authority and responsibility, subject only to the direction of the Chief Executive Officer of the Company, the Board of Directors of the Company and the Operating
Subsidiary’s Board of Directors, for administering the day-to-day operations of the Operating Subsidiary in all respects. In addition, Executive shall serve, at the request of the Company and without additional compensation, in such additional
positions from time to time as may be reasonably requested of Executive and reasonably related to his services as President of the Operating Subsidiary. The duties and responsibilities of the Executive shall include the duties and responsibilities
for the Executive’s corporate offices and positions as set forth in the Operating Subsidiary’s bylaws from time to time in effect and such other duties and responsibilities as the Company’s Chief Executive Officer or Board of
Directors or the Operating Subsidiary’s Board of Directors may 

 
from time to time reasonably assign to the Executive, in all cases to be consistent with the Executive’s corporate offices and positions. 
 IV. Extent of Services. Executive shall faithfully and to the best of his ability, experience, and talents, perform all of the duties that
may be required of and from him pursuant to this Agreement. Nothing herein shall be construed as preventing Executive from (a) investing his assets in companies in such form or manner as will not require any services on the part of Executive,
unless such services relate to activities permitted pursuant to Section V hereof or Executive discloses in writing to the Company the extent of such services and receives written authorization to provide such services, in the operations or the
affairs of the companies in which such investments are made or (b) serving as a director, advisor, or consultant to a third party; provided, however, that such investments or services may not be in connection with a business which
is in competition with the Company or the Operating Subsidiary (excluding (i) indirect investments through mutual funds or other broad based investment vehicles, (ii) investments in debt instruments, and (iii) purchases or
acquisitions of less than 5% of any class of securities of any enterprise (but without otherwise participating in the activities of such enterprise) if such securities are listed on any national or regional securities exchange or have been
registered under Section 12(g) of the Exchange Act). 
 V. Other Activities. The Executive shall devote substantially all
of his working time and efforts during the Operating Subsidiary’s normal business hours to the business and affairs of the Company and its subsidiaries (including the Operating Subsidiary) and to the diligent and faithful performance of the
duties and responsibilities duly assigned to him pursuant to this Agreement, except for vacations, holidays and sickness. However, the Executive may devote a reasonable amount of his time to civic, community, or charitable activities and, with the
prior written approval of the Company’s Board of Directors, to serve as a director of other corporations and to other types of business or public activities not expressly mentioned in this paragraph. 
 VI. Place of Employment. The Executive’s services shall be performed at the Company’s offices in Sunnyvale or San Jose,
California, or in the offices of the Operating Subsidiary’s subsidiaries located in Germany or in Shanghai. 
 VII. Compensation
and Employee Benefits. 
 A. Annual Base Salary. For all services rendered by Executive under this
Agreement, the Company shall pay Executive during the term of this Agreement a base salary, payable in equal periodic installments in accordance with the Company’s regular payroll practices, as such may be amended from time to time, at an
annual rate of not less than $250,000. The amount of such base salary shall be reviewed at least once each fiscal year by the Chief Executive Officer and the Compensation Committee of the Company’s Board of Directors. 
 B. Bonus Compensation. Executive may receive bonuses, payable in cash or shares of the Company’s stock, as may be
determined from time to time by the Company’s Board of Directors or the Compensation Committee of the Company’s Board of Directors, in its sole discretion, on the basis of: (i) Executive’s success in meeting his personal
performance goals, as established by the Compensation Committee of the Company’s Board of Directors in consultation with the Executive; (ii) Executive’s merit, including but not limited to the quality of 

  

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the services provided by Executive and his industriousness and diligence in performing such services; and (iii) the Company’s and Operating
Subsidiary’s financial success and progress in the prior fiscal year. 
 C. Vacation and Holidays.
Executive shall be entitled to accrue 26 days of paid vacation for each year of service provided. Any accrued but unused vacation time shall be carried over to successive years in accordance with the Company’s published vacation accrual
policies and shall be paid to Executive at or before the termination of his employment, in accordance with Company policy. Executive shall be entitled to paid Company holidays in accordance with the Company’s policies in effect from time to
time for its senior executive officers. 
 D. Executive Benefits. Executive shall be entitled to receive all of
the rights, benefits, and privileges of an employee and an executive officer of the Company under any generally applicable retirement, pension, profit-sharing, insurance, health and hospital, or other employee benefit plans which may be now in
effect or hereafter adopted by the Company, subject in all cases to the extent that his position, tenure, salary, age, health and other qualifications make him eligible to participate, and subject to the rules and regulations applicable thereto.

 E. Working Facilities. Executive shall be furnished with a private office, business tools, and such other
facilities and services suitable to Executive’s position and adequate for the performance of the duties required by this Agreement. 
 F. Expenses. Subject to limits which may be imposed by the Company’s Board of Directors, including any committee thereof, Executive is authorized to incur reasonable expenses in connection with his
responsibilities in conducting the business of the Company (including the Operating Subsidiary), including expenses for entertainment, travel, and similar items. The Company will reimburse Executive for all such expenses upon the presentation by
Executive, in a timely manner, of an itemized account of such expenditures, including receipts or other adequate documentation, or Executive may pay such expenses with a Company credit card, if a Company credit card is issued to Executive, and
Executive shall appropriately document the business purpose of such expenditures. Executive’s expenses must be submitted to and approved by the Audit Committee or another officer or employee designated by the Audit Committee to review and
approve such expenses. The parties agree that for purposes of this paragraph, the Executive’s air travel shall be coach class domestically and business class internationally. 
 G. Educational Expenses. Executive shall be entitled to receive reimbursement for educational expenses consistent with the
Company’s policy on educational reimbursement. 
 VIII. Proprietary Interests of Company. 
 Executive and the Company recognize that the Company is in a highly competitive business in a highly technical industry. The parties
acknowledge that the success or failure of the Company depends largely on the development and use of certain proprietary and confidential information and trade secrets, including without limitation, information concerning any of the Company’s
or its subsidiaries’ patented components, research and development projects and in patent process components, and personal relationships with present and potential 

  

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customers, suppliers, contractors, and governmental agencies as well as technology, procedures, systems, and techniques relating to the products developed or
distributed by the Company or its subsidiaries (hereinafter collectively referred to as “Confidential Information”). Confidential Information is a substantial asset of the Company. Confidential Information will be disclosed to
Executive in the normal course of operation. Executive acknowledges that Confidential Information is extremely valuable to the Company and must be protected from unauthorized use by the Company’s competitors or other persons. Therefore,
Executive agrees not to disclose or use, whether for the benefit of Executive or any other person or entity, at any time during or after his employment, any Confidential Information to any person or entity other than the Company or persons
authorized by the Company to receive such Confidential Information. As an express condition of the Executive’s employment with the Company, the Executive agrees to execute and abide by confidentiality agreements as requested by the Company,
including but not limited to the Company’s form of Employment, Confidentiality and Invention Assignment Agreement, which is attached hereto as Exhibit A and incorporated herein by reference. 
 Upon termination of his employment with the Company, all documents, records, notebooks, and similar repositories of or containing
Confidential Information, including copies thereof, then in Executive’s possession, whether prepared by Executive or others, will be left with the Company, and no copies thereof will be retained by Executive. 
 It is agreed that any breach of this Section VIII will cause immediate irreparable harm to the Company and monetary damages would be
difficult if not impossible to ascertain. Therefore, the parties agree that, upon any breach of any covenant in this Section VIII that the Company may obtain from the district court for the City of Broomfield or Jefferson County, Colorado, or any
other court of competent jurisdiction, an appropriate restraining order, preliminary injunction or other form of equitable relief with respect thereto. Nothing contained herein shall be construed as prohibiting the Company from pursuing any other
available remedies for such breach, including the recovery of damages, costs, and attorney fees. 
 IX. Termination of Employment.

 A. Termination by Mutual Agreement. The Company and Executive may agree to terminate this Agreement on
terms and conditions mutually acceptable to them as of the date of termination. 
 B. Early Termination. The
Company may terminate the Executive’s employment for any reason prior to the end of the Employment Period by giving the Executive 30 days’ advance notice in writing. The Executive may terminate his employment for any reason prior to the
end of the Employment Period by giving the Company 30 days’ advance written notice; provided that, in the case of a termination due to a Change in Duties, Compensation or Benefits, Executive’s notice shall state the reasons for
which such assertion is made. 
 C. Death. The Executive’s employment shall terminate immediately in the
event of his death. In the event of Executive’s death during the Employment Period, the Company shall pay to Executive’s estate any unpaid wages or other amounts owing at the time of death and shall pay, in addition to and not as a
substitute for the proceeds from any life insurance policies on Executive’s life paid for by the Company or the Operating Subsidiary, an amount equal to the Severance Amount (as defined herein) which would have been payable to Executive 

  

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if there had been a Involuntary Termination on the date of Executive’s death. The Executive’s rights under the benefit plans of the Company
shall be determined under the provisions of those plans. 
 D. Disability. If Executive becomes Disabled during
the term of employment, the Company may, at its option, by 30 days’ advance written notice to Executive or Executive’s personal representative, terminate his employment under this Agreement. In the event that the Executive resumes the
performance of substantially all of his duties hereunder before the termination of his employment under this paragraph D becomes effective, the notice of termination shall automatically be deemed to have been revoked. No compensation or benefits
will be paid or provided to the Executive under this Agreement on account of termination in the event of Disability, or for periods following the date when such a termination of employment is effective. The Executive’s rights under the benefit
plans of the Company shall be determined under the provisions of those plans. 
 E. Involuntary Termination. In
the event a termination constitutes an Involuntary Termination as defined herein, so long as he signs and does not revoke a waiver and release of claims in favor of the Company reasonably acceptable to the Company, Executive shall be entitled to, in
lieu of any severance benefits to which the Executive may otherwise be entitled under any Company severance plan or program, a single lump sum payment equal to: (i) the unpaid amount of the then applicable annual base salary up to the effective
date of such Involuntary Termination, (ii) payment of Executive’s pro rata share of any incentive bonus program earned up to the effective date of such Involuntary Termination based on the number of full calendar months worked in any
calendar year for which a bonus is to be paid; and (iii) payment of Executive’s then current base salary for a period of time equal to the Severance Period (such payment under this clause (iii) to be referred to herein as the
“Severance Amount”). Such severance shall be paid to Executive as soon as practical following Executive’s Involuntary Termination or, to the extent required by Internal Revenue Code Section 409A as amended (and the
regulations issued thereunder), paid in full on the day following the six (6) month anniversary of such date. Subject to the Company’s obligations under paragraph H of this Section IX, the Executive’s rights under the benefit plans of
the Company and the Operating Subsidiary shall be determined under the provisions of those plans. 
 F. Voluntary
Termination and Termination for Cause. In the event a termination constitutes a Voluntary Termination as defined herein, then the Executive shall be entitled to receive severance and any other benefits only as may then be established under
the Company’s existing severance and benefit plans and policies at the time of such termination. No compensation or benefits will be paid or provided to the Executive under this Agreement on account of a termination for Cause. The
Executive’s rights under the benefit plans of the Company shall be determined under the provisions of those plans. 
 G.
Definitions. All the terms defined in this paragraph G shall have the meanings given below throughout this Agreement. 
 1. “Cause” shall mean (i) following delivery to Executive of a written demand for performance from Company which describes the basis for Company’s belief that Executive has not substantially performed his duties,
Executive’s continued violation of Executive’s obligations to the Company which is demonstrably willful and deliberate on 

  

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Executive’s part for a period of thirty (30) days following such written demand, (ii) Executive being convicted of a felony involving moral
turpitude, (iii) Executive willfully breaching any material term of this Agreement which continues uncured for a period of thirty (30) days after written notice thereof from the Company, or (iv) without the consent of the Company,
Executive’s commencement of employment with another employer while he is an employee of the Company. No act, or failure to act, by the Executive shall be considered “willful” unless committed without good faith without a reasonable
belief that the act or omission was in the Company’s best interest. 
 2. “Change in Duties, Compensation, or
Benefits” shall mean, without the Executive’s prior written consent, one or more of the following events shall occur prior to the end of the Employment Period: 
 a. a material detrimental change in the nature or scope of Executive’s authority, responsibilities or duties from those applicable
to him immediately prior to such change; 
 b. a reduction in Executive’s annual base salary from that provided to him
immediately prior to such reduction; 
 c. a diminution in Executive’s eligibility to participate in bonus, incentive
award or any other compensation plan which provides opportunities to receive compensation from those currently applicable to him, except for: (i) changes in the eligibility requirements for plans that are applicable to employees or executive
officers generally; (ii) changes in plans that are applicable to all executives and result in a diminution of Executive’s benefits under such plan that is fair and proportional as compared to the diminution of benefits for all executives;
and (iii) changes that are required by applicable law; 
 d. a material diminution in the kind or level of employee
benefits (including but not limited to medical, dental or life insurance and long-term disability plans) and perquisites to which Executive is entitled immediately prior to such diminution, except for: (i) changes in the eligibility
requirements for benefits that are applicable to employees generally; (ii) changes in benefits and perquisites that are applicable to all employees or executives and result in a diminution of Executive’s benefits that is fair and
proportional as compared to the diminution for all executives; and (iii) changes that are required by applicable law; 
 e. a material reduction, without good business reasons, of the facilities and perquisites (including office space and location) available to the Executive immediately prior to such reduction, and which reduction is expected to last at least
three months; 
 f. a change in the location of Executive’s principal place of employment by the Company to a location
not within fifty (50) miles from one of the locations specified in Section VI; 
 g. the failure by the Company to
obtain the assumption of this Agreement by any successor in accordance with Section XVII; 
  

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 h. any termination of the Executive’s employment by the Company which is not
effected for death, Disability or for Cause, or any termination for which the grounds relied upon are not valid; 
 i. any
material breach by the Company of any material provision of this Agreement; or 
 j. a reasonable determination by a majority
of those persons comprising the Board of Directors of the Company prior to a Change of Control (even if such determination is made after such Change of Control) that, as a result of a Change of Control and a change in circumstances thereafter
significantly affecting his position, Executive is unable to exercise the functions or duties attached to his position immediately prior to the date on which a Change of Control occurs. 
 3. “Change of Control” shall mean the consummation of: (A) a sale of all or substantially all of the Company’s
or Operating Subsidiary’s assets; or (B) any merger, consolidation or other business combination transaction of the Company or the operating subsidiary with or into another corporation, entity or person, other than a transaction in which
the holders of at least a majority of the shares of voting capital stock of the Company or the Operating Subsidiary outstanding immediately prior to such transaction continue to hold (either by such shares remaining outstanding, by their being
converted into shares of voting capital stock of the surviving entity or otherwise) a majority of the total voting power represented by the shares of voting capital stock of the Company or of the Operating Subsidiary (or the surviving entity), as
applicable, outstanding immediately after such transaction; or (C) the direct or indirect acquisition (including by way of a tender or exchange offer) by any person, or persons acting as a group (in each case other than John Ocampo, Susan
Ocampo and/or Phillip Liao or any of their “Affiliates” as defined in the Merger Agreement) of beneficial ownership or a right to acquire beneficial ownership of shares representing a majority of the voting power of the then outstanding
shares of capital stock of the Company or of the Operating Subsidiary, as applicable. Notwithstanding the foregoing, no merger, consolidation, reorganization, or dissolution of the Operating Subsidiary or merger of the Operating Subsidiary or
similar transaction involving the Operating Subsidiary shall constitute a Change of Control in the event that the Operating Subsidiary or its business or assets continue to be owned by the Company (and continue to be managed by the Executive)
following such transaction. 
 4. “Disabled” or “Disability” shall mean either
(i) mental or physical illness or condition rendering Executive incapable, at the time notice is given, of performing any significant portion of Executive’s normal duties with the Company even after the Company’s reasonable
accommodation of any such disability in accordance with the Americans with Disabilities Act and the relevant state nondiscrimination statute, or (ii) Executive, at the time notice is given, has been unable to substantially perform his duties
under this Agreement for a period of not less than six (6) consecutive months as the result of his incapacity due to physical or mental illness or condition. 
 5. “Involuntary Termination” shall mean any termination by the Executive prior to the end of the Employment Period as a
result of any Change in Duties, 

  

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Compensation or Benefits or any termination by the Company prior to the end of the Employment Period except: 
 a. a Voluntary Termination; 
 b. termination by mutual agreement; 
 c. termination for Cause; 
 d. termination as a result of Disability; or 
 e. termination as a result of death. 
 6. “Severance Period” shall mean a period of time, commencing on the effective date of the termination of Executive’s employment with the Company, equal to the difference, if any, between
twenty-four (24) months and the total number of full calendar months during which Executive has been employed by the Company hereunder through such date. Notwithstanding the foregoing, (i) the Severance Period shall never be more than 24
months nor less than zero months, and (ii) the Severance Period shall terminate immediately upon a material breach by the Executive of his obligations under Section VIII hereof. 
 7. “Voluntary Termination” shall mean any termination which results from a resignation or retirement by Executive other
than a resignation following a Change in Duties, Compensation, or Benefits as defined herein. 
 H. Medical and Dental
Benefits. If Executive’s employment with the Company or any subsidiary or successor of the Company is terminated because of death, Disability, or Involuntary Termination, then to the extent that Executive or any of Executive’s
dependents may be covered under the terms of any medical and dental plans of the Company (or any subsidiary) immediately prior to the termination, the Company will provide Executive and those dependents with the same or equivalent coverages until
twelve (12) months after the effective date of any such termination of employment; provided that such coverages shall be fully insured and shall be obtained and paid for directly by the Company. The Company may, at its election, procure such
coverages apart from, and outside of the terms of, the plans applicable to other employees. The Company’s obligation to provide such coverages will be limited by the requirement that Executive and Executive’s dependents comply with all of
the conditions of the medical or dental plans applicable to employees generally and the Company is under no obligation to obtain special coverages for Executive which would not be covered by the plans applicable to employees generally. In
consideration for these benefits, Executive or his estate must make contributions equal to those required from time to time from other employees for equivalent coverages under the medical or dental plans. If and to the extent that Executive or any
of his dependents is eligible to participate in a medical, dental or other health insurance plan of another employer after the termination of his employment by the Company, then the benefit provided by this paragraph shall be eliminated or
commensurately diminished. 
  

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 X. Directors and Officers Insurance. The Company shall maintain and keep in force directors
and officers liability insurance coverage on all directors and officers in such an amount as the Company deems reasonable and necessary under the circumstances but in no event less than $10.0 million of aggregate coverage. 
 XI. Post-Termination Consulting. In the event of Executive’s Involuntary or Voluntary Termination, if requested by the Company,
Executive agrees to provide services to the Company as a consultant for a period of thirty (30) days following the effective date of such termination (the “Consulting Period”), in exchange for cash compensation at the rate of
$100 per hour. Executive shall have the right to decline to provide any consulting services requested by the Company after an Involuntary Termination or Voluntary Termination but such refusal during the period when severance payments are being made
by the Company will result in the forfeiture of Executive’s right to the Severance Amount hereunder. If Executive does elect to provide consulting services following the completion of the severance period, Executive shall be obligated to
provide no more than ten (10) hours of consulting services per week during the Consulting Period, and the Company shall make reasonable accommodations for Executive with respect to the place and time of the provision of such services so as not
to interfere with Executive’s future employment or employment opportunities or otherwise. 
 XII. Notices. Any notice
required or permitted to be given under this Agreement shall be in writing and delivered in person or sent by United States registered or certified mail, postage prepaid, addressed, in the case of Executive, to Executive’s residence as
indicated in Executive’s personnel file in the Company’s records, or in the case of the Company, to its principal office addressed to the attention of Director of Human Resources. Such notices or other communications shall be effective
upon delivery or, if earlier, three days after they have been mailed as provided above. 
 XIII. Waiver. Failure or delay on
the part of either party hereto to enforce any right, power, or privilege hereunder shall not be deemed to constitute a waiver thereof. The waiver of any provision of this Agreement shall not operate or be construed as a waiver of any other
provision of this Agreement. No waiver shall be valid unless in writing and executed by the party to be charged therewith. 
 XIV.
Severability. Whenever possible, each provision of this Agreement will be interpreted in such manner as to be effective and valid under applicable law, but if any provision of this Agreement is held to be invalid, illegal or unenforceable
in any respect under any applicable law or rule in any jurisdiction, such invalidity, illegality or unenforceability will not affect any other provision or any other jurisdiction, but this Agreement will be reformed, construed and enforced in such
jurisdiction as if such invalid, illegal or unenforceable provision had never been contained herein. 
 XV. Arbitration. Any
dispute or controversy arising under or in connection with this Agreement shall be settled exclusively by arbitration in Santa Clara or San Francisco County, California, in accordance with the rules of the American Arbitration Association then in
effect by an arbitrator selected by both parties within 10 days after either party has notified the other in writing that it desires a dispute between them to be settled by arbitration. In the event the parties cannot agree on such arbitrator within
such 10-day period, each party shall select an arbitrator and inform the other party in writing of such arbitrator’s name and address within 5 days after 

  

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the end of such 10-day period and the two arbitrators so selected shall select a third arbitrator within 15 days thereafter; provided, however, that in the
event of a failure by either party to select an arbitrator and notify the other party of such selection within the time period provided above, the arbitrator selected by the other party shall be the sole arbitrator of the dispute. Each party shall
pay its own expenses associated with such arbitration, including the expense of any arbitrator selected by such party and the Company will pay the expenses of the jointly selected arbitrator. The decision of the arbitrator or a majority of the panel
of arbitrators shall be binding upon the parties and judgment in accordance with that decision may be entered in any court having jurisdiction thereover. Punitive damages shall not be awarded. 
 XVI. Assignment. Executive acknowledges that the services to be rendered under this Agreement are unique and personal. Executive may not,
without the written consent of the Company, assign or transfer, whether by pledge, creation of a security interest or otherwise, this Agreement or any right or obligation under this Agreement to any other person or entity except for a transfer by
will or by the laws of descent or distribution of Executive’s right to receive payments or benefits under this Agreement. In the event of any attempted assignment or transfer contrary to this paragraph, the Company shall have no liability to
pay any amount so attempted to be assigned or transferred. 
 XVII. Successors. This Agreement and all rights under this
Agreement shall be binding upon and inure to the benefit of and be enforceable by the parties hereto and their respective personal or legal representatives, executors, administrators, heirs, distributees, devisees, legatees, successors and, subject
to Section XVI above, assigns (including, without limitation, any company into or with which the Company may merge or consolidate). The Company will require any successor (whether direct or indirect, by purchase, merger, consolidation or otherwise)
to all or substantially all of the business and/or assets of the Company to expressly assume and agree to perform this Agreement in the same manner and to the same extent that the Company would be required to perform it if no such succession had
taken place. 
 XVIII. Entire Agreement. This Agreement and the exhibit hereto represent the entire agreement and understanding
between the parties as to the subject matter hereof and shall, as of the effective date hereof, supersede all prior or contemporaneous agreements between the parties, whether written or oral. No waiver, alteration, or modification of any of the
provisions of this Agreement shall be binding unless in writing and signed by duly authorized representatives of the parties hereto. 
 XIX. Governing Law and Jurisdiction. This Agreement shall be interpreted, construed, and enforced under the internal laws of the State of California, without regard to its choice of laws principles. The courts of the State of
California shall have sole jurisdiction and venue over all controversies which may arise with respect to this Agreement. 
 XX.
Time. In comparing any period of time prescribed or allowed by this Agreement, the day of the act, event or default from which the designated period of time begins to run shall not be included. Time accounting shall begin upon midnight of
the following calendar day. All periods of time shall be assumed to be specified in calendar days unless otherwise noted. In the case of fractional days of time, the appropriate equivalent hours can be calculated and accounted for against midnight
of the calendar day in which the period of time started. 
  

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 XXI. Headings. The headings of the paragraphs contained in this Agreement are for reference
purposes only and shall not in any way affect the meaning or interpretation of any provision of this Agreement. 
 XXII.
Counterparts. This Agreement may be signed in one or more counterparts which, taken together, shall constitute a single binding agreement between the parties. Photocopies or telecopies of the parties’ original signatures hereto may
be relied upon as originals for all purposes. 
 XXIII. Attorneys Fees. All reasonable fees and expenses, including reasonable
attorneys’ fees and expenses, shall be awarded to the prevailing party in the event of any litigation or arbitration involving the enforcement or interpretation of this Agreement. 
 XXIV. Right to Advice of Counsel. The Executive acknowledges that he has consulted with counsel and is fully aware of his rights and
obligations under this Agreement. 
  

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 IN WITNESS WHEREOF, the parties have executed this Agreement as of the day and year indicated above. 
  

			
	THE COMPANY:
	
	SIRENZA MICRODEVICES, INC.
		
	By:	 	 /s/ Robert Van Buskirk

		 	 Robert Van Buskirk, Chief Executive Officer

	
	EXECUTIVE:
	
	 /s/ Phillip Liao

	 Phillip Chuanze Liao

  

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	 Exhibit A:
	  	Form of Employee Confidentiality,
		  	Nondisclosure and Invention Assignment Agreement

  

 13Non-Competition Agreement

 Exhibit 10.5 
 NON-COMPETITION AGREEMENT 
 THIS NON-COMPETITION AGREEMENT (this “Agreement”) is
made and entered into as of February 4, 2006 by and among Sirenza Microdevices, Inc., a Delaware corporation (the “Buyer”), and the undersigned individual (the “Employee”). 
 RECITALS 
 A. The Employee owns
50% or more of the outstanding capital shares of, and indirectly together with his spouse, is the sole shareholder of Premier Devices, Inc., a California corporation (the “Company”). 
 B. The Buyer, Penguin Acquisition Corporation, a California corporation and a wholly-owned subsidiary of the Company (“Merger Sub”), the
Company, Yeechin Liao and the Employee are parties to that certain Agreement and Plan of Merger, dated as of February 4, 2006 (the “Merger Agreement”), pursuant to which the parties have agreed to merge the Company with and
into Merger Sub upon the terms and subject to the conditions set forth therein (the “Transaction”). 
 C. In connection with
the Transaction, the Employee has been offered and has accepted employment with the Buyer or one of its Affiliates, effective upon the consummation of the Transaction (the “Closing”). 
 D. The parties acknowledge that the life expectancy of the Company’s current products and technologies is at least five (5) years. 

E. The parties acknowledge that the relevant market for the Company’s products and services is worldwide in scope and that intense worldwide
competition exists for the products and services of the Company. 
 F. As a condition and material inducement for the Buyer to the enter into
the Merger Agreement and consummate the Transaction, and to preserve the value of the business being acquired by the Buyer pursuant thereto, the Merger Agreement contemplates, among other things, that the Employee will enter into this Agreement
concurrently with the execution of the Merger Agreement and that this Agreement will become effective as of the Closing. 
 NOW, THEREFORE,
in consideration of the foregoing premises, and the covenants, agreements, representations and warranties set forth herein, and for other good and valuable consideration, the receipt and legal sufficiency of which are hereby acknowledged and
accepted, and intending to be legally bound hereby, the parties hereto hereby agree as follows: 
 1. Effective Time. This Agreement
shall be effective only at and as of the Closing (the “Effective Time”). 

 2. Defined Terms. All capitalized terms that are used but not defined herein shall have the
respective meanings ascribed thereto in the Merger Agreement. For all purposes of and under this Agreement, the following capitalized terms shall have the following respective meanings: 
 (a) “Applications” shall mean analog, RF, microwave and optical applications. 
 (b) “Competitive Business” shall mean any business that actually competes (now or at anytime during the Restrictive
Period) with the Buyer, the Company or any of their respective Subsidiaries or Affiliates in the business of designing, developing, manufacturing, providing, licensing, selling and/or distributing electronic components, modules, subsystems and/or
related solutions and services for Applications in the Field. 
 (c) “Field” shall mean communications
(whether wireless, wireline, satellite or otherwise), radar and telemetry. 
 (d) “Restricted Period” shall
mean the period beginning at and as of the Effective Time and ending on the second (2nd) anniversary of the
Effective Time. 
 (e) “Restricted Territory” shall mean each and every country, province, state, city, or
other political subdivision of the world in which the Buyer, the Company or any of their respective affiliates is currently engaged, or during the term of the Agreement engages, in business or otherwise distributes, licenses or sells its products.

 3. Covenant Not to Compete. 
 (a) The Employee acknowledges that during the course of the Employee’s employment with the Company, the Employee has received and has been privy to confidential information and trade secrets of the Company and
will continue to receive and be privy to confidential information and trade secrets of the Buyer and the Company during the course of the Employee’s employment with the Buyer or the Company following the Transaction. The Employee further
acknowledges that the Buyer has a legitimate interest in ensuring that such confidential information and trade secrets remain confidential and are not disclosed to third parties. Thus, to avoid the actual or threatened misappropriation of such
confidential information and trade secrets, the Employee agrees that, at all times during the Restricted Period, the Employee shall not, directly or indirectly: 
 (i) engage in, participate in, or have an ownership interest (except for ownership of one percent (1%) or less of any publicly held
entity) in a Competitive Business anywhere in the Restricted Territory, whether as an employee, agent, consultant, advisor, independent contractor, proprietor, principal, partner, officer or director. The phrase “directly or
indirectly” as used herein, includes, for purposes of clarification, but is not limited to, (A) engaging in, participating in, or having an 

  

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ownership interest in a Competitive Business through one or more intermediaries under circumstances where the Employee provides advice or guidance on behalf
of or for the benefit of such intermediary or intermediaries or any portfolio company of such intermediary or intermediaries, in either case, that engages in or participates in a Competitive Business and (B) contacting marketing, channel or
technology partners of the Buyer, the Company or any of their Subsidiaries and Affiliates on behalf of any Competitive Business; or 
 (ii) take any action with the objective of interfering with the business of the Buyer, the Company or any of their Subsidiaries and Affiliates, or solicit any customers of the Buyer, the Company or any of their Subsidiaries and Affiliates
in connection with a Competitive Business. 
 (b) The covenants set forth in Section 3(a) hereof shall be
construed as a series of separate covenants, one for each country, province, state, city or other political subdivision of the Restricted Territory. Except for geographic coverage, each such separate covenant shall be deemed identical in terms to
the covenants set forth in Section 3(a) hereof. If, in any judicial proceeding, a court refuses to enforce any of such separate covenants (or any part thereof), then such unenforceable covenant (or such part) shall be eliminated from
this Agreement to the extent necessary to permit the remaining separate covenants (or portions thereof) to be enforced. To the extent that the provisions of Section 3(a) hereof are deemed to exceed the time, geographic or scope
limitations permitted by applicable law, then such provisions shall be reformed to the maximum time, geographic or scope limitations, as the case may be, permitted by applicable laws. 
 (c) The Employee acknowledges that: (i) the Employee is familiar with the foregoing covenant not to compete; (ii) the covenant
set forth in Section3(a) hereof represents only a limited restraint and allows the Employee to pursue the Employee’s livelihood and occupation without unreasonable or unfair restrictions; (iii) the Employee is an officer, key
employee, and/or key member of the management of the Company; (iv) the goodwill associated with the existing business, customers and assets of the Company prior to the Transaction is an integral component of the value of the Company to the
Buyer and is reflected in any consideration payable in connection with the Transaction; and (v) the Employee’s agreement as set forth herein is necessary to preserve the value of the Company for the Buyer following the Transaction. The
Employee represents that the Employee is fully aware of the Employee’s obligations hereunder, and acknowledges that the limitations of length of time, geography and scope of activity agreed to in this Agreement are reasonable because, among
other things: (A) the Company and the Buyer are engaged in a highly competitive industry, (B) the Employee has unique access to, and will continue to have access to, the trade secrets and know-how of the Company and the Buyer, including,
without limitation, the plans and strategy (and, in particular, the competitive strategy) of the Company and the Buyer, (C) the Employee is accepting employment with the Buyer on favorable terms in connection with the Transaction, (D) in
the event the Employee’s employment with the Buyer or the Company ended, the Employee would be able to obtain suitable and satisfactory employment without violation of this Agreement, and (E) this Agreement provides no 

  

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more protection than is necessary to protect the Buyer’s interests in its goodwill, trade secrets and confidential information. 
 (d) The Employee acknowledges that the Employee is subject to the Buyer’s confidential information and trade secret protection
policies and agrees to comply with such policies. 
 (e) The Employee’s obligations under this Agreement shall remain in
effect if the Employee’s employment with the Buyer, the Company or any of their Subsidiaries and Affiliates is terminated for any or no reason. 
 (f) The Employee agrees that during the Restricted Period, prior to becoming an employee or partner of or consultant to any Person, the Employee shall (i) provide written notice of such employment, partnership or
consultancy to the Buyer, and (ii) provide such Person with an executed copy of this Agreement. 
 4. Covenant Not to Solicit. At
all times during the Restricted Period, the Employee shall not, directly or indirectly, solicit, encourage or take any other action which is intended to induce or encourage, or has the effect of inducing or encouraging, any employee of the Buyer,
the Company or any of their Subsidiaries and Affiliates to (a) terminate such employee’s employment with the Buyer, the Company or any of their Subsidiaries and Affiliates, or (b) engage in any action in which the Employee would,
under the provisions of Section 3 hereof, be prohibited from engaging. 
 5. Miscellaneous. 
 (a) Notices. Unless otherwise provided herein, all notices and other communications hereunder shall be in writing and shall be
deemed given if (i) delivered in person, (ii) transmitted by facsimile (with written confirmation of transmission), (iii) mailed by certified or registered mail (return receipt requested) (in which case such notice shall be deemed
given on the third (3rd) day after such mailing) or (iv) delivered by an express courier (with written
confirmation of receipt) to the parties at the following addresses (or at such other address for a party as shall be specified by like notice): 
 If to the Buyer to: 
 Sirenza Microdevices, Inc. 
 303 S. Technology Court 
 Broomfield, Colorado 80021 
 Attention: General Counsel 
 Facsimile: (303) 327-3483 
 with a copy (which shall not constitute notice) to: 
 Wilson Sonsini Goodrich &
Rosati 
 Professional Corporation 
 650 Page Mill Road 
 Palo Alto, CA 94304 
 Attention: Steven V. Bernard 
 Facsimile: (650) 493-6811 
  

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 and to : 
 Wilson Sonsini Goodrich & Rosati 
 Professional Corporation 
 One Market, Spear Tower 
 Suite 3300 
 San Francisco, CA 94105 
 Facsimile: (415) 947-2099 
 Attention: Michael S. Ringler 
 If to the Employee to: 
 Phillip Chuanze Liao 
 ____________________ 
 Atherton, CA 94027 
 Facsimile: ______________ 
 with a copy (which shall not constitute notice) to: 
 Orrick, Herrington & Sutcliffe LLP 
 1000 Marsh Road 
 Menlo Park, California 94061 
 Attention: Lowell D. Ness 
 Facsimile: (650) 614-7401 
 (b) Governing Law; Consent to Personal Jurisdiction. This Agreement shall be governed by and construed in accordance with the laws of the State of California, regardless of the laws that might otherwise govern
under applicable principles of conflicts of law thereof. Each of the parties hereto irrevocably consents to the exclusive jurisdiction and venue of any court within Santa Clara or San Francisco within the State of California in connection with any
matter based upon or arising out of this Agreement or the matters contemplated herein, agrees that process may be served upon him in any manner authorized by the laws of the State of Colorado for such persons and waives and covenants not to assert
or plead any objection which they might otherwise have to such jurisdiction, venue and such process. 
 (c)
Severability. In the event that any portion of this Agreement becomes or is held by a court of competent jurisdiction to conflict with any federal, state or local law, or to be otherwise illegal, void or unenforceable, the remainder of this
Agreement will continue in full force and effect and be construed as if such portion had not been included in this Agreement. 
 (d) No Assignment. Because the nature of the Agreement is specific to the actions of the Employee, the Employee may not assign this Agreement. This Agreement shall inure to the benefit of the Buyer and its successors and assigns.

  

 -5- 

 (e) Entire Agreement. Except for any employment agreement or confidential
information and trade secret protection agreement that may be signed by the Employee and the Buyer or the Company, this Agreement constitutes the entire agreement between the parties with respect to the subject matter hereof and supersedes all prior
discussions, agreements and understandings, written or oral, between the parties with respect to the subject matter hereof. 
 (f) Waiver of Breach. No delay or omission by the Buyer in exercising any right under this Agreement shall operate as a waiver of that right or any other right under this Agreement. The waiver of a breach of any term or provision of
this Agreement, which must be in writing, shall not operate as or be construed to be a waiver of any other previous or subsequent breach of this Agreement. 
 (g) Counterparts. This Agreement may be executed in one or more counterparts, all of which shall be considered one and the same agreement and shall become effective when one or more counterparts have been
signed by each of the parties and delivered to the other party, it being understood that all parties need not sign the same counterpart. 
 (h) Amendments and Modification. This Agreement may not be modified, amended, altered or supplemented except by the execution and delivery of a written agreement executed by the parties hereto. 
 (i) Interpretation. The words “include,” “includes” and “including” when used herein shall be
deemed in each case to be followed by the words “without limitation.” 
 (j) Headings. The headings contained
in this Agreement are for reference purposes only and shall not affect in any way the meaning or interpretation of this Agreement. 
 (k) Other Obligations. The Employee expressly consents to be bound by the provisions of this Agreement for the benefit of the Buyer or any Affiliate thereof without the necessity of the separate execution of this Agreement in favor
of any such Affiliate. 
 [Remainder of page intentionally left blank] 
  

 -6- 

 IN WITNESS WHEREOF, this Agreement has been executed by the parties hereto as of the date first above
written. 
  

			
	SIRENZA MICRODEVICES, INC.
		
	By:	 	/s/ Robert Van Buskirk
		
	Name:	 	Robert Van Buskirk
		
	Title:	 	President and CEO

	
	
	PHILLIP CHUANZE LIAO
	
	/s/ Phillip Liao

 [NON-COMPETITION AGREEMENT]

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