利用反相器组合抑制多条微带线间串扰的方法

doi:10.13190/j.jbupt.2015.02.023

北京邮电大学学报 ›› 2015, Vol. 38 ›› Issue (2): 122-126.doi: 10.13190/j.jbupt.2015.02.023

利用反相器组合抑制多条微带线间串扰的方法

王亚飞, 李学华

北京信息科技大学信息与通信工程学院, 北京 100101

收稿日期:2014-12-30 出版日期:2015-04-28 发布日期:2015-05-14
作者简介:王亚飞(1981—), 男, 博士, 实验师, E-mail: wangyafei@bistu.edu.cn.
基金资助:
国家自然科学基金项目(61171039); 北京市教委科技计划面上项目(KM201511232010); 北京市属高等学校高层次人才引进与培养计划项目(CIT&TCD201404114)

The Use of Inverters for Crosstalk Suppression in Multiple Parallel-Coupled Microstrip Lines

WANG Ya-fei, LI Xue-hua

School of Information and Communication Engineering, Beijing Information Science and Technology University, Beijing 100101, China

Received:2014-12-30 Online:2015-04-28 Published:2015-05-14

摘要/Abstract

摘要：

高速电路中,串扰是系统速率继续提高的瓶颈之一,现有方法只考虑了每边各一条传输线对受扰线的串扰,这样最多能抑制75%的串扰. 为了解决每边第2条传输线对受扰线的串扰,提出了一种新的电路结构,该电路结构根据串扰的相位抵消原则,利用反相器的位置和数量变化抑制每边各两条传输线对受扰线的串扰. 仿真结果显示,在0.1~4 GHz范围内,该方法能使受扰线每边第2条传输线对受扰线的远端串扰降低约10 dB.

关键词: 串扰, 反相器, 耦合微带线, 相位抵消

Abstract:

In high-speed circuit, crosstalk is one of the bottlenecks hindering system rate to continue rising. In a 50-Ohm bus, with a spacing equal to the line width, 95% of all the crosstalk on any victim line comes from the nearest two traces on either side of the victim line. However, the current methods only consider the crosstalk from the first nearest traces, which means the crosstalk can be suppressed 75% at most. In order to solve the crosstalk from the second nearest traces, a new circuit structure was proposed, in which the position and the number of inverters could be changed according to the principle of crosstalk phase cancellation to suppress the crosstalk from the nearest two traces at same time. Simulation shows that in range of 0.1~4 GHz, far crosstalk from the second nearest trace can be eliminated about 10 dB.

Key words: crosstalk, inverter, coupled microstrip lines, phase cancellation

中图分类号:

TN817

王亚飞, 李学华. 利用反相器组合抑制多条微带线间串扰的方法[J]. 北京邮电大学学报, 2015, 38(2): 122-126.

WANG Ya-fei, LI Xue-hua. The Use of Inverters for Crosstalk Suppression in Multiple Parallel-Coupled Microstrip Lines[J]. JOURNAL OF BEIJING UNIVERSITY OF POSTS AND TELECOM, 2015, 38(2): 122-126.

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利用反相器组合抑制多条微带线间串扰的方法

The Use of Inverters for Crosstalk Suppression in Multiple Parallel-Coupled Microstrip Lines

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