MAX3840: 线和系统环回与 MAX3840
摘要:MAX3840双2x2异步交叉点开关用于高速信号到2.7Gbps。典型的应用程序是保护或冗余的时钟切换和数据信号的SDH/SONET行终止卡。由于其低的随机和确定性抖动,以及小通道对通道歪斜,此设备是理想在SDH/SONET行终止应用程序中支持串行数据线和系统诊断环回。
DesignNote:HFDN-15.0Rev.1;04/08LineandSystemLoopbackwiththeMAX3840MaximIntegratedProductsLineandSystemLoopbackwiththeMAX38401Introductionshouldbeemployed.ConnectthedataoutputoftheMUXtotheMAX3840inputDIA0,andtheCDRTheMAX3840dual2x2asynchronouscrosspointdataoutputtoDIA1.ConnecttheMUXclockoutputswitchisdesignedforhigh-speedsignalsuptototheMAX3840inputDIB0,andtheCDRclock2.7Gbps.AtypicalapplicationisprotectionoroutputtoDIB1.Thedatain
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