一般的网络接口的DS2153和DS2154的设计标准
摘要:本应用笔记介绍一般形式为E1收发器芯片的接口电路和显示如何分配变压器附近的阻力。它解释了为什么需要不同的保护技术,发射器和接收引脚。它讨论了回波损耗的重要性,并说明了如何计算。特色的DS2153/DS2154E1单芯片收发器集成电路。
Maxim>AppNotes>CommunicationscircuitsKeywords:trandceiver,E1,transmitter,receiver,transformer,serierresistance,receivecircuit,transmitcircuit,returnlossOct12,2001APPLICATIONNOTE352GeneralnetworkinterfacedesigncriteriafortheDS2153andDS2154Abstract:ThisapplicationnotepresentsageneralformoftheinterfacecircuitforE1transceiverchipsandshowshowtodistributeresistancearoundthetransformers.Itexplainswhythetransmitterandreceiverpinsrequiredifferentprotectiontechniques.Itdiscussestheimportanceofreturnlossandshowshowtocalculateit.TheDS2153/DS2154E1single-chiptransceiverICsarefeatured.Figure1.Generalnetworkinterfacecircuit.Figure1illustratesageneralformoftheinterfacecircuitforE1tr