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AD公司的好资料-模拟电路设计资料SECTION1HIGHSPEEDOPERATIONALAMPLIFIERSWaltKesterINTRODUCTIONHighspeedanalogsignalprocessingapplications,suchasvideoandcommunications,requireopampswhichhavewidebandwidth,fastsettlingtime,lowdistortionandnoise,highoutputcurrent,goodDCperformance,andoperateatlowsupplyvoltages.Thesedevicesarewidelyusedasgainblocks,cabledrivers,ADCpre-amps,current-to-voltageconverters,etc.Achievinghigherbandwidthsforlesspowerisextremelycriticalintoday'sportableandbattery-operatedcommunicationsequipment.Therapidprogressmadeoverthelastfewyearsinhigh-speedlinearcircuitshashingednotonlyonthedevelopmentofICprocessesbutalsooninnovativecircuittopologies.Theevolutionofhighspeedprocessesbyusingamplifierband……