标签: zero-if

Afullyintegratedzero-IFtransceiverforGSM-GPRSquadbandapplicationISSCC2003/SESSION15/CELLULARCOMMUNICATIONS/PAPER15.715.7AFullyIntegratedZero-IFTransceiverforGSM-GPRSQuadBandApplicationE.Duvivier,S.Cipriani,L.Carpineto,P.Cusinato,B.Bisanti,F.Galant,F.Chalet,F.Coppola,S.Cercelaru,G.Puccio,N.Mouralis,J.C.JiguetTexasInstruments,VilleneuveLoubet,FranceInpreviousfullyintegratedtransceiverpublications[1,2],partofthereceiver(RX),transmitter(TX),frequencysynthesizerorpowermanagementwereoffchip.ThetransceiverwedescribefullycontainsallthesefunctionsincludingVCO,loopfilters,poweramplifier(PA)controller,voltageregulatorsandvoltagecontrolledcrystaloscillator(VCXO)(Fig.15.7.1).Thechipareais14mm2.Thetransmitterisacompletelyintegratedtranslationalloopst……