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1、ATrueSingleSoCforUHFMobileRFIDReaderJongmoonKim,SeokohYun,WonkabOh,MinsuKilandSanghyunChoPHYCHIPSInc.Daejeon,Koreajmkim@phychips.comAbstract-AtruesingleSoCforUHFMobileRFIDReaderhas19.2MHzbeenimplementedina0.18µmembeddedflashCMOSTruesingleSoCtechnology.TheSoCincl
2、udes900MHzRFtransceiver,PA,MODEM,MCU,memoryandperipheralswithfullycompliantISO/IEC18000-6CandEPCGlobalClass1Gen2readerprotocol.Thereceiver1%PERsensitivityis-88dBmatRFinputMODEMport.Theclass-APAisintegratedinthetransmitter,with20dBmCWcarrieroutputpower.Thefullyin
3、tegratedfractional-Nfrequencysynthesizerwitha3.6GHzLCVCOisimplementedRFTransceiverforlowwidebandphasenoise.TheLOphasenoiseis-104.7dBc/Hzat100KHzoffsetfrequencyand-130.6dBc/HzatDirectional1MHzoffsetfrequency.TheSoCsufficientlysatisfiesamultiple-CouplerMCUinterrog
4、atorenvironment’sadjacentchannelpowerratiorequirementoftheISO/IEC18000-6Cstandard.InoperatingTagreadmode,theSoCdissipates980mWwhentransmittinga20dBmCWcarriersignal.ThedieareaoftheSoCis17.1mm2,of2Fig.1.BlockdiagramofthemobileRFIDreaderSoCwhich7.6mmisusedbythe900M
5、HzRFtransceiverandPA.I.INTRODUCTIONThefixedUHFRFIDreaderhasbeenholdingamajorityin6CandEPCGlobalClass1Gen2RFIDstandard.Itisthemarketastheapplicationwaslimitedtologistics,comprisedofa900MHzRFtransceiver,PA,MODEM,80C52distribution,assetmanagementandindustrialreader
6、.MCU,128kBflashmemory,16kBSRAM,voltageregulatorHowever,duetotheadvancementofinternetaccessandperipherals.Becauseallblocks,exceptcrystalandtechnologywithmobiledevicesanditseasywayofgettingdirectionalcoupler,areintegratedintheSoC,itcaneasilybeinformation,theUHFRFI
7、DtechnologyisontherisefortheadaptedformobiledeviceswithUHFRFIDapplication.meansrecently.TheUHFRFIDreaderSoCthathassmallerTheRFtransceiveroperatesin840to960MHzfrequencysizeandhigherlevelintegrationismuchindemandtohaverange,performsaRF-Basebandfrequencyup/downUHFR
8、FIDtechnologyembeddedinportabledevicessuchastranslations,signalamplification,channelfilteringandansmartphone,laptopcomputer,PDAortabletPC.analog-digitalsignalconversi
