An Ultra-Wideband Common-Mode Suppression Filter Based on S-DBCSRR for High-Speed Differential Signals

被引：23

作者：

Zhu, Hao-Ran ^{[1
,2
]}

Mao, Jun-Fa ^{[1
,3
]}

机构：

[1] Shanghai Jiao Tong Univ, Key Lab, Minist Educ Res Design & EMC High Speed Elect Sys, Shanghai 200030, Peoples R China

[2] East China Res Inst Elect Engn, Hefei, Peoples R China

[3] State Key Lab Complex Electromagnet Environm Effe, Shanghai, Peoples R China

来源：

IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2015年 / 25卷 / 04期

关键词：

Common-mode (CM) filter; complementary split ring resonator (CSRR); differential signal; wideband suppression; DESIGN;

D O I：

10.1109/LMWC.2015.2400914

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this letter, an ultra-wideband common mode filter is proposed for high-speed differential signal transmission. By etching a slot in the inner patch of a double slit complementary split ring resonator (S-DBCSRR), the noise rejection bandwidth can be expanded. The equivalent circuit model and surface current distribution are given to explain the working principle of the filter. From the simulated and measured results, it is found that the fractional bandwidth of the presented filter is 92% with a noise suppression level of 20 dB, and the differential signal can propagate with little degradation.

引用

页码：226 / 228

页数：3

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