标签: agere

Evolution_GSM_Radio_SubsystembyAgereTheEvolutionoftheGSMRadioSubsystemByLeoP.Ivrissimtzis,MobileTerminalsDivision,AgereSystemsInc.IntroductionThecommercialdriveforlow-cost,compact,andlongbatterylifehandsets,alongwiththerequirementsformultiband(forinternetworkroaming),multislotEDGE(forhigherdatarates)functionality,hasmotivatedsignificantadvancesintheGSMradiosubsystem,includingitsantennaandICconstituents.Inadditiontotechnicalperformancemarginsagainstregulatorystandardsforhighproductionyieldsandbasestation/mobiledevicelinkquality,keydriversinthisRFtechnologyevolutionhavemainlybeen:(1)lowcost,(2)increasinglevelsofintegrationtowardsreducedcomponentcountandPCBareautilization,and(3)lowpowerconsumption.Giventhattheradio……

本应用笔记介绍了我们的T3/E3线路接口单元(LIU)在纯信道、transMUX和map/demap应用中与AgereUltramapper的连接方法。……