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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 RL9O7Z6ku1QqkClBhRxIqri9qJTmXxvOl7+DV0k6qCktj9kSipHhrwdE0wYRdezm
 v20xTOZKfrfpQgiQDgoMCg==

<SEC-DOCUMENT>0001392381-07-000002.txt : 20070307
<SEC-HEADER>0001392381-07-000002.hdr.sgml : 20070307
<ACCEPTANCE-DATETIME>20070307181340
ACCESSION NUMBER:		0001392381-07-000002
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20070301
FILED AS OF DATE:		20070307
DATE AS OF CHANGE:		20070307

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GIGA TRONICS INC
		CENTRAL INDEX KEY:			0000719274
		STANDARD INDUSTRIAL CLASSIFICATION:	INSTRUMENTS FOR MEAS & TESTING OF ELECTRICITY & ELEC SIGNALS [3825]
		IRS NUMBER:				942656341
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			0331

	BUSINESS ADDRESS:	
		STREET 1:		4650 NORRIS CANYON ROAD
		CITY:			SAN RAMONN
		STATE:			CA
		ZIP:			94583
		BUSINESS PHONE:		9253284650

	MAIL ADDRESS:	
		STREET 1:		4650 NORRIS CANYON ROAD
		CITY:			SAN RAMON
		STATE:			CA
		ZIP:			94583

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Lawlor Patrick J
		CENTRAL INDEX KEY:			0001392381

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-12719
		FILM NUMBER:		07678886

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		925-328-4656

	MAIL ADDRESS:	
		STREET 1:		4650 NORRIS CANYON RD
		CITY:			SAN RAMON
		STATE:			CA
		ZIP:			94583
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2007-03-01</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000719274</issuerCik>
        <issuerName>GIGA TRONICS INC</issuerName>
        <issuerTradingSymbol>GIGA</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001392381</rptOwnerCik>
            <rptOwnerName>Lawlor Patrick J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>4650 NORRIS CANYON RD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SAN RAMON</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94583</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>VP Finance/CFO &amp; Secretary</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>no securities are beneficially owned</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Patrick J. Lawlor</signatureName>
        <signatureDate>2007-03-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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