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【应用笔记】高速通道设计的过孔优化技巧(ViaOptimizationTechniquesforHigh-SpeedChannelDesigns)本应用介绍高速通道设计的过孔优化技巧。Asmoredesignsmovetowardhigh-speedseriallinkswithpicosecondedgerates,anyimpedancediscontinuityinthechannelcanadverselyaffectsignalquality.Channeldiscontinuitiescomefromseveralsourcesandeachsourcemustbecarefullyconsidered.Onecommonlyoverlookedsourceofchanneldiscontinuityisthesignalvia.Viascanaddjitterandreduceeyeopeningsthatcancausedatamisinterpretationbythereceiver.ViaOptimizationTechniquesforHigh-SpeedChannelDesignsMay2008,version1.0ApplicationNote529IntroductionAsmoredesignsmovetowardhigh-speedseriallinkswithpicosecondedgerates,anyimpedancediscontinuityinthechannelcanadverselyaffectsignalquality.Channeldiscontinuitiescomefromseveralsourcesandeachsourcemustbecarefullyconsidered.Onecommonlyoverlookedsourceofchanneldiscontinuityisthesignalvia.Viascanad……