多载波GSM / EDGE的发射机关键DAC参数
摘要:下面的文章提供了一个如何260Msps,14位数字-模拟转换器(DAC)MAX5195与LVPECL数字输入到GSM/EDGE基于收发器的设计适合的洞察力。文章详细介绍了确切的SFDR,IMD,信噪比和MTPR要求,以及如何MAX5195高动态性能DAC满足了这些要求。本文的结论与实际的例子DAC的4音的MTPR通常在GSM/EDGE应用中的性能。
Maxim>AppNotes>A/DandD/AConversion/SamplingCircuitsBasestations/WirelessInfrastructureHigh-SpeedSignalProcessingKeywords:high-speedDACs,digital-to-analogconverters,DAC,GSM,EDGE,transmitter,multi-carrier,dynamicperformance,spurious-Feb14,2003freedynamicrange,SFDR,signal-to-noiseratio,SNR,intermodulationdistortion,IMD,multi-tonepowerratio,MTPR,Tx,mask,modAPPLICATIONNOTE1886CriticalDACParametersforMulti-CarrierGSM/EDGETransmittersAbstract:Thefollowingarticleprovidesaninsightofhowthe260Msps,14-bitdigital-to-analogconverter(DAC)MAX5195withLVPECLdigitalinputsfitsintoGSM/EDGE-basedtransceiverdesigns.ThearticledetailstheexactSFDR,IMD,SNRandMTPRrequirementsandhowtheMAX5195high-dynamicperformance