微分增益和相衡量，你可以不看它呢？

摘要：差分增益和相位（DG和DP）是常见的视频规格。它们是什么？为什么使用它们，如果他们不能看到呢？本应用笔记中回答了这些问题，并解释如何适用于其他nonvideo放大器，模数转换器和数模转换器（DAC），这些规范。Maxim>Designsupport>Appnotes>AmplifierandComparatorCircuits>APP4294Maxim>Designsupport>Appnotes>AutomaticTestEquipment(ATE)>APP4294Maxim>Designsupport>Appnotes>Automotive>APP4294Keywords:DG,DP,differentialgainphase,videoerror,NTSC,TV,invisibleamplifier,PAL,subcarrier,ADC,DAC,sweet-spot,linear,linearity,Sallen-Key,filter,video,quality,signalintegrityMay23,2011APPLICATIONNOTE4294DifferentialGainandPhase―WhyMeasureIt,ifYouCannotSeeIt?By:BillLaumeister,StrategicApplicationsEngineerAbstract:Differentialgainandphase(DGandDP)arecommonvideospecifications.Whatarethey?Why