高速随机数据发生器框图

摘要：少数元件集成到一个电路，创建一个高品质的随机数据流生成眼图来的62.5MHz。线路图和眼图显示。

Maxim>AppNotes>COMMUNICATIONSCIRCUITSSIGNALGENERATIONCIRCUITSKeywords:random-datagenerator,eyediagram,digitaldatalink,opamp,comparatorMar14,2005APPLICATIONNOTE3471High-SpeedRandom-DataGeneratorFacilitatesEyeDiagramsAbstract:Ahandfulofcomponentsareintegratedintoacircuitthatcreatesahigh-qualityrandomdatastreamthatgenerateseyediagramsupto62.5MHz.Thecircuitdiagramandeyediagramareshown.Theeyediagram,oneofthebestfiguresofmeritforevaluatingrobustnessinadigitaldatalink,showsasinglebitwindow(bitN),precededbyarandom-valuebit(N-1)andfollowedbyarandom-valuebit(N+1).Communications-systemsengineersusuallyhaveaccesstothesophisticatedtestequipmentrequiredtomeasu