标签: ber

Electromagneticcrosstalkposesaseriousproblemwithintoday’sadvancedserialcommunicationmodules.Amajordetrimentaleffectisthedegradationofreceiversensitivityinthepresenceofcrosstalknoise.Themitigationofcrosstalkpenaltybecomesincreasinglymorechallengingasdataratesincreaseforhigherthroughput,asmodulesizesshrinkforincreasedportdensity,andassupplyrailsarereducedforlowerpowerdissipation.Inthisarticle,weexploreamethodforquantifyingcrosstalkpenaltybyobservingareceiver’sbit-error-ratio(BER)versusthephasedifferencebetweenthetransmittedandreceivedsignals.Thisarticlealsopresentsactualcrosstalkmeasurementresultsofthreedifferentcommunicationmoduleexamples.……

简介：大数据爆炸带来的海量存储需求和云计算对网络流量的持续推高正在为产业界带来新的机会，PCIExpress作为大数据存储和云计算系统里的最主要的高速串行总线接口日益成为最核心的统治性接口，已经正式迈入4.0时代，速率高达16Gb/s。在本次研讨会中，将就PCIE4.0的最新进展和物理层包括发送端，接收端的验证测试做一系统介绍。另外，本次研讨会专门邀请是德科技来自上海和台北两地的两位资深专家主讲。……

FCI亚太区通信市场高级业务拓展经理FrancisLo先生于2009年3月17日第四届国际连接器技术与产业发展论坛上做的“FCIAirMaxVS和ZipLine连接器实现40Gb/s数据无误差传输”演讲演讲稿SummaryofPresentationPart1.DescriptionofLinkListoflinkcomponents(slides3)Backplanedetails(slides4-9)Daughtercarddetails(slides10-15)Part2.BERresultsTx/Rxconfigurationstested(slides16-17)BERtestresults(slides18-19)Conclusion:FCIhasdemonstratedexcellentBERresultsforeightparallelchannelseachrunningadatarateof10Gb/sin7differentTx/RxconfigurationsusingtwoZipLineTMConnectorsonanIEEE802.3apreferencebackplane(re-statedonslide20)ZipLineChannelBERCustomerReport……

【应用笔记】在StratixIV器件收发器中，使用片上信号质量监控电路(EyeQ)功能(UsingtheOn-ChipSignalQualityMonitoringCircuitry(EyeQ)FeatureinStratixIVTransceivers)在StratixIV器件收发器中，使用片上信号质量监控电路(EyeQ)功能。Thisapplicationnotedescribeshowtousetheon-chipsignalqualitymonitoringcircuitry(EyeQ)featureavailableinStratixIVtransceiverstohelpyouestimatethehorizontaleye-openingandselectthebestdatasamplingpointatthereceiver.Italsodescribesthesystem-levelblocksthatarerequiredtousetheEyeQfeature.UsingtheOn-ChipSignalQualityMonitoringCircuitry(EyeQ)FeatureinStratixIVTransceiversAN-605-1.2ApplicationNoteThisapplicationnotedescribeshowtousetheon-chipsignalqualitymonitoringcircuitry(EyeQ)featureavailableinStratixIVtransceiverstohelpyouestimatethehorizontaleye-openingandselectthebestda……

摘要：这种抖动引进各种抖动类型，包括随机抖动类型的定义：高斯，毗邻循环周期-周期抖动和确定性抖动类型：占空比失真，脉冲宽度失真，脉冲偏移和数据依赖（模式）抖动。本应用笔记还讨论了各种抖动元件和系统的误码率（BER）之间的关系。Maxim>AppNotes>HIGH-SPEEDINTERCONNECTKeywords:jitter,gaussian,random,RJ,deterministic,cycletocycle,adjacentcycle,dutycycledistortion,Mar06,2003pulsewidthdistortion,inter-symbol,biterrorrate,BER,berAPPLICATIONNOTE1916AnIntroductiontoJitterinCommunicationsSystemsAbstract:Thisintroductiontojitterpresentsdefinitionsforvariousjittertypesincludingtherandomjittertypes:Gaussian,cycle-to-cycle,adjacentcycle;anddeterministicjittertypes:dutycycledistortion,pulsewidthdistortion,pulseskewanddatadependent(pattern)jitter.TheapplicationnotealsodiscussestherelationshipbetweenthevariousjittercomponentsandsystemBitErrorRate(BER).WhatisJitter?TheSONETstandardstatesthat"Jitterisdefinedasthesho……