万兆以太网交换机高速接口的信号完整性仿真  

Signal Integrity Simulation for High Speed Interface of 10-Gigabit Ethernet Switch

作　　者：孔维刚 KONG Wei-gang(Xi'an Aeronautics Computing Technique Research Institute,AVIC,Xi’an 710068 , China)

机构地区：[1]航空工业西安航空计算技术研究所,陕西西安710068

出　　处：《航空计算技术》2017年第5期112-115,共4页Aeronautical Computing Technique

基　　金：国家重点基金项目资助(31511020102)

摘　　要：万兆以太网交换机物理层高速接口的信号速率达到了10.312 5 Gb/s,高速接口的信号完整性成为整个万兆以太网交换机设计的关键技术之一。利用Hyper Lynx仿真工具,对万兆以太网物理层高速接口进行了无源通道建模,运用S参数详细分析了影响高速接口信号传输特性和反射特性的各方面因素。依据仿真结果,给出了实际可行的优化配置方案。仿真方法适合于10 Gb/s及以上信号的无源通道仿真分析,为此类高速接口PCB设计提供了有益的参考。The signal speed for physical layer high speed interface of10-Gigabit Ethernet switch reached up to10.3125Gb/s.Signal integrity for high speed interface became one of the key technologies in designing10-Gigabit Ethernet switch.This paper used HyperLynx to establish passive channel model for10-Gigabit Ethernet high speed interface,and used S parameter to analyze several factors for transmitting and reflecting characteristic in detail.Finally,according to the simulation results,optimized configuration scheme was proposed.Simulation method in this paper was suitable for passive channel simulation for10Gb/s or more signal,and provided beneficial reference for high speed interface PCB design.

关 键 词：万兆以太网 高速接口 信号完整性 仿真 S参数 

分 类 号：TN915.05[电子电信—通信与信息系统]