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490279804AN502aAN-502APPLICATIONNOTEOneTechnologyWayP.O.Box9106Norwood,MA02062-9106781/329-4700WorldWideWebSite:http://www.analog.comDesigningaSuperheterodyneReceiverUsinganIFSamplingDiversityChipsetbyBradBrannonAbstract:ThepaperintroducesachipsettosimplifyreceiverdesignandputsforthadesignexamplebasedonGSMbutcanbeextendedtomanyopenorclosedairinterface.AdvancesinanalogconvertertechnologynowallowIFsamplingwhichcangreatlysimplifyreceiverdesign.Advancesindigitalintegratedcircuitsalsoadvancethestateoftheartintermsofdigitaltuningandfiltering.Togetherthesetwochipscanreplacemanyofthecumbersomestagesofatraditionalanalogreceiverwithpredictableandreliableperformance.Thesuperheterodynerecei……
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