标签: abidi

RFIC牛人Abidi的两篇经典文章,Abidi……

Direct-ConversionWirelessTransceiversforDigitalCommunication(byAbidi)IEEEJOURNALOFSOLID-STATECIRCUITS,VOL30,NO12,DECEMBER19951399Direct-ConversionRadioTransceiversforDigitalCommunicationsAsadA.Abidi,SeniorMember,IEEEAbstract-Direct-conversionisanalternativewirelessreceiverarchitecturetothewell-establishedsuperheterodyne,particularlyforhighlyintegrated,low-powerterminals.Itsfundamentaladvantageisthatthereceivedsignalisamplifiedandfilteredatbasebandratherthanatsomehighintermediatefrequency.Thismeanslowercurrentdrainintheamplifiersandactivefiltersandasimplertaskofimage-rejection.Thereisconsiderableinteresttouseitindigitalcellulartelephonesandminiatureradiomessagingsystems.Thispaperbrieflycoverscasestudiesintheuseofdirect-conversionreceiversandtransmit……