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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 C77UimVFVoR5Wjxo3sR3kYfbHJV+rzA5/eB+BJ1DIxdyxqt74zboJwU0T/O9hjjv
 s44LGCK6d6fBKH9/pug5EQ==

<SEC-DOCUMENT>0001005477-04-000968.txt : 20040224
<SEC-HEADER>0001005477-04-000968.hdr.sgml : 20040224
<ACCEPTANCE-DATETIME>20040224190350
ACCESSION NUMBER:		0001005477-04-000968
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040223
FILED AS OF DATE:		20040224

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CASTELLE \CA\
		CENTRAL INDEX KEY:			0000908605
		STANDARD INDUSTRIAL CLASSIFICATION:	COMPUTER PERIPHERAL EQUIPMENT, NEC [3577]
		IRS NUMBER:				770164056
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		855 JARVIS DRIVE
		CITY:			MORGAN HILL
		STATE:			CA
		ZIP:			95037
		BUSINESS PHONE:		408-852-8000

	MAIL ADDRESS:	
		STREET 1:		855 JARVIS DRIVE
		CITY:			MORGAN HILL
		STATE:			CA
		ZIP:			95037

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CASTELLE INC
		DATE OF NAME CHANGE:	19930702

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HAMBRECHT & QUIST CALIFORNIA
		CENTRAL INDEX KEY:			0001133803
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-22020
		FILM NUMBER:		04625862

	BUSINESS ADDRESS:	
		STREET 1:		ONE BUSH ST
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94104
		BUSINESS PHONE:		4154393000

	MAIL ADDRESS:	
		STREET 1:		ONE BUSH ST
		CITY:			SAN FRANCISCO
		STATE:			CA
		ZIP:			94104
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar123.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-02-23</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000908605</issuerCik>
        <issuerName>CASTELLE \CA\</issuerName>
        <issuerTradingSymbol>CSTL</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001133803</rptOwnerCik>
            <rptOwnerName>HAMBRECHT &amp; QUIST CALIFORNIA</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O JP MORGAN CHASE</rptOwnerStreet1>
            <rptOwnerStreet2>560 MISSION STREET</rptOwnerStreet2>
            <rptOwnerCity>SAN FRANCISCO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94105</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common</value>
            </securityTitle>
            <transactionDate>
                <value>2004-02-23</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1214</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>3.55</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>88586</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>415289</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>**</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <remarks>**As general partner, or investment manager with voting and disposition power. The reporting person disclaims beneficial ownership of these securities except to the extent of their pecuniary interest therein.</remarks>

    <ownerSignature>
        <signatureName>Thomas Szymoniak</signatureName>
        <signatureDate>2004-02-23</signatureDate>
    </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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