Evaluation Method of Balance Mismatch Using CMRR Measurement for Printed Circuit Board

被引：0

作者：

Shimazaki, Mutsumi ^{[1
]}

Asai, Hideki ^{[2
]}

机构：

[1] Mitsubishi Electr Corp, Corp Prod Engn Dept, Chiyoda Ku, Tokyo 1008310, Japan

[2] Shizuoka Univ, Res Inst Elect, Hamamatsu, Shizuoka 4328561, Japan

来源：

2014 INTERNATIONAL SYMPOSIUM ON ELECTROMAGNETIC COMPATIBILITY, TOKYO (EMC'14/TOKYO) | 2014年

关键词：

Balance Degree; CDF; CMRR; EMI;

D O I：

暂无

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：

When a primary factor of common-mode noise is corresponding to mismatch of balance on the wiring, the balance degree may be obtained from CMRR (Common Mode Rejection Ratio) of the printed circuit board in the equipment. We calculated CDF(Current Division Factors) as balance degree of micro strip lines. And we showed relational expression of the balance degree and CMRR. By the CMRR measurement, the mismatch of balance between cable and substrate wiring can be evaluated quantitatively.

引用

页码：101 / 104

页数：4

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