Common-Mode-Current Generation Caused by Difference of Unbalance of Transmission Lines on a Printed Circuit Board with Narrow Ground Pattern(Special Issue on Recent Progress in Electromagnetic Compatibility Technology)

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概要

• 論文の詳細を見る

• This paper explains a mechanism of common-mode generation on a printed circuit board with a narrow ground pattern.A transmission line has its value of degree of unbalance.At a connection point of two transmission lines having different degrees of unbalance, , common mode voltage is generated proportional to the difference, and it drives common mode current.The authors propose a method to evaluate common mode current distribution and verify it by measurement.Although calculated common mode current is larger than measured one by a few dBs, both of them are proportional to the degree of unbalance.An EMI reduction technique, 'unbalance matching, 'is also proposed.

• 社団法人電子情報通信学会の論文
• 2000-03-25

著者

• Wada Tetsuro

  System Lsi Development Center Mitsubishi Electric Corporation

• WADA Osami

  The Faculty of Engineering, Okayama University

• KOGA Ryuji

  The Faculty of Engineering, Okayama University

• Miyashita Takuya

  The Computer Center Okayama University:(present Addaress)fujitsu Ltd.

• Koga R

  Graduate School Of Natural Science And Technology Okayama University

• Wada O

  Graduate School Of Engineering Kyoto University

• WATANABE Tetsushi

  the Industrial Technology Center of Okayama Prefecture

• Miyashita Takahiro

  Faculty Of Engineering Okayama University

• Miyashita T

  Graduate School Of Engineering Kyoto University

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