端接方式对改善高速电路串扰的分析研究

The Analysis of and Research on the Improvement of Crosstalk in the High Speed Circuit by Termination

通过对两条耦合线中的攻击线,采用几种不同的电路端接方式,利用Hyperlynx软件仿真出相应情况下的信号传输波形。通过端接电路在抑制攻击线上反射的同时,减小了受害线上信号的串扰,从而使信号在两条耦合线上的传输质量得到改善。最后进行了多组数据的串扰比较研究,分析了串扰减小的原因。

This paper adopts several different types of circuit termination for the aggressive line in the two coupled lines,the corresponding signal transmission waveform is simulated by the software Hyperlynx.While suppressing the reflection of the aggressive line,the termination circuit also reduces the signal crosstalk of the victim line,so that the signal quality of transmission in the two coupled lines is improved.Finally,by comparing and studying several groups of data about crosstalk,it analyzes the reason for crosstalk diminution.