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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,
 M6/Y8Vv1QPpRfSLeYr2Z5L9Hwk+2l/eRZeR1S5q0fgLqPJJo+20NcR1Re6AbaiEJ
 h8RskgsTCvMFWjV+1NRKOQ==

<SEC-DOCUMENT>0001345063-07-000024.txt : 20070504
<SEC-HEADER>0001345063-07-000024.hdr.sgml : 20070504
<ACCEPTANCE-DATETIME>20070504204335
ACCESSION NUMBER:		0001345063-07-000024
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20070425
FILED AS OF DATE:		20070504
DATE AS OF CHANGE:		20070504

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			COLVIN DONALD A
		CENTRAL INDEX KEY:			0001228888

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-23193
		FILM NUMBER:		07822073

	BUSINESS ADDRESS:	
		STREET 1:		ON SEMICONDUCTOR CORP.
		STREET 2:		5005 E. MCDOWELL RD.
		CITY:			PHOENIX
		STATE:			AZ
		ZIP:			85008

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			APPLIED MICRO CIRCUITS CORP
		CENTRAL INDEX KEY:			0000711065
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				942586591
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0331

	BUSINESS ADDRESS:	
		STREET 1:		215 MOFFETT PARK DRIVE
		CITY:			SUNNYVALE
		STATE:			CA
		ZIP:			94089
		BUSINESS PHONE:		8584509333

	MAIL ADDRESS:	
		STREET 1:		215 MOFFETT PARK DRIVE
		CITY:			SUNNYVALE
		STATE:			CA
		ZIP:			94089
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>edgardoc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2007-04-25</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000711065</issuerCik>
        <issuerName>APPLIED MICRO CIRCUITS CORP</issuerName>
        <issuerTradingSymbol>AMCC</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001228888</rptOwnerCik>
            <rptOwnerName>COLVIN DONALD A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>6290 SEQUENCE DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SAN DIEGO</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>92121</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <ownerSignature>
        <signatureName>By: Claudia Baranowski, Atty in Fact  For: Donald Colvin</signatureName>
        <signatureDate>2007-05-04</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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