A 2.7-V GSM RF Transceiver IC

A 2.7-V GSM RF Transceiver IC XpLK0YI  
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Abstract—A 2.7-V RFtransceiver ICis intended forsmall, low- M@=eWZ<  
costglobalsystemformobilecommunications(GSM)handsets. ksB-fOv*N  
Thischipincludesaquadraturemodulator(QMOD)andan a2MFZe  
offsetphaselockedloop(OPLL)inthetransmitpathandadual 6ofi8(n[  
IFreceiverthatconsistsofalownoiseamplifier(LNA)with vl{G;[6  
anactive-biascircuit,twoGilbert-cellmixers,aprogrammable n7r )wy
 
gainlinearamplifier(PGA),andaquadraturedemodulator pW>?%ft.  
(QDEM).TheICalsocontainsfrequencydividerswithavery <lBY  
highfrequencyvoltagecontrolledoscillator(VHF-VCO)tosim- ?7Y6: zo$^  
plifythereceiverdesign.Thesystemevaluationresultsarethe -J$,W`#z  
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rmsandthenoisetransmittedintheGSM yp}a&Dg  
phaseerrorof2.7 163dBc/Hzfortransmittersandthereference #@#/M)  
receivingbandof 105dBmforreceivers.Power-controlfunctionsare CQ`$' oy?W  
sensitivityof P'dH
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providedforindependenttransmitandreceiveoperation.TheIC xElHYh(\  
f =15 GHz, tTzPT<  
isimplementedbyusingbipolartechnologywith #H;yXsR`  
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r =150 <ETR6r  
, and 0.6-m features. ^s_BY+#  
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IndexTerms—Activebias .. $T)E
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great, thank you

学习一下，thx kiW|h)w_,v  

zheshige haowenzhang

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学习一下楼主隐藏的无线芯片资料

whynot910:学习一下楼主隐藏的无线芯片资料 (2021-11-20 17:13)  hnnVp_<]  

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不知道这是那位牛人的作品