Generation of common-mode currents on PCB power-bus structures

被引：0
|
作者：
Hampe, Matthias [1 ]
Dickmann, Stefan [1 ]
机构：
[1] Helmut Schmidt Univ, Dept Elect Engn, Hamburg, Germany
来源：
2006 17TH INTERNATIONAL ZURICH SYMPOSIUM ON ELECTROMAGNETIC COMPATIBILITY, VOLS 1 AND 2 | 2006年
关键词：
D O I：
10.1109/EMCZUR.2006.214935
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 paper, a significant generation process of common-mode currents on PCB power-bus structures is theoretically explained and experimentally investigated. Lumped elements connected asymmetrically to the power-bus are identified as the source of these common-mode currents. An analytical expression for the resulting common-mode current is derived, which agrees well with measurements. Furthermore it is shown, that the induced common-mode current can be reduced effectively by providing a low impedance behavior of the power-bus.
引用
收藏
页码：320 / +
页数：2
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