AD9361射频和基带锁相环用户手册.pdf

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1、AD9361RFandBBPLLSynthesizerUserGuideADIConfidentialAD9361RFandBBPLLSynthesizerUserGuideGENERALDESCRIPTIONTheAD9361transceivercontainstwoidenticalRFPLLsynthesizerstogeneratetherequiredLOsignals.OneisprogrammedfortheRXchannelandtheotherfortheTXchannel.Thet

2、ransceiveralsocontainsaBBPLLsynthesizertogeneratetherequiredsamplingandinternaloperationalclocks.ThePLLsynthesizersarealloffractional–NarchitecturewithcompletelyintegratedVCOsandloopfilters.Theyrequirenoexternalpartstocovertheentirefrequencyrangeofthedev

3、ice.Thisconfigurationallowstheuseofanyconvenientreferencefrequencyforoperationonanychannelwithanysamplerate.ForFDDoperation,thefrequencyofTXandRXcanbedifferentandbothRFPLLsynthesizersoperatesimultaneously.ForTDDoperation,theRFPLLsynthesizersalternatelytu

4、rnonasappropriateforRXandTXframes.REVISIONHISTORY3/11—1.0Distribution4/11—1.1Editformattingaddtable.AppliestoR1version.6/11—2.0UpdatefixedwritesforR2.AddFastLockinfo,ExtLO.9/11—2.1IncludeFDDandTDDtablesforR2.AddBBPLLsection.Examplesupdated.10/11—2.2Fixed

5、typos.11/11—2.3ClarifiedBBPLLloopfiltertablevalueusage1/12—2.4AddedhowtogenerateTDDscriptwithFDDcalibrationstoTDDMODE–FasterLockTimessection.Rev2.4.InformationfurnishedbyAnalogDevicesisbelievedtobeaccurateandreliable.However,noresponsibilityisassumedbyAn

6、alogDevicesforitsuse,norforanyinfringementsofpatentsorotherOneTechnologyWay,P.O.Box9106,Norwood,MA02062-9106,U.S.A.rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.Nolicenseisgrantedbyimplicationorotherwiseunderanypa

7、tentorpatentrightsofAnalogDevices.Tel:781.329.4700www.analog.comTrademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.Fax:781.461.3113©2010AnalogDevices,Inc.Allrightsreserved.ADIConfidentialAD9361RFandBBPLLSynthesizerUserGuideTABLEOFCONT

8、ENTSGeneralDescription........................................................................................................................................................................................................