電子回路基板中の電流分布推定に関する研究 A Study of Current distributions on the Printed Circuit Boards

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With the developments of modern central processing unit (CPU), electromagnetic field coming from the printed circuit boards (PCB) is becoming a serious electromagnetic noise source. In order to reduce the noise coming from the PCB, it is essential to evaluate the current distribution on the PCB.This paper proposes one of the promising methodologies evaluating for the current distributions from the measured magnetic fields. At first, the unknown current distributions are modeled by the loop currents. Second, we derive a system of equations by means of the elliptical functional approach, and solve the system equations which unknown parameters and equations are matched. Finally, we have succeeded in obtaining the current distributions on model PCB. And then, we applied same procedure to measured magnetic field distributions on the PCB of workstations in time region by loop probe. We demonstrate the usefulness of our methodology by applying to these magnetic field distributions.

収録刊行物

  • 電気学会論文誌. A, 基礎・材料・共通部門誌 = The transactions of the Institute of Electrical Engineers of Japan. A, A publication of Fundamentals and Materials Society  

    電気学会論文誌. A, 基礎・材料・共通部門誌 = The transactions of the Institute of Electrical Engineers of Japan. A, A publication of Fundamentals and Materials Society 119(7), 997-1004, 1999-07-01 

    社団法人電気学会

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被引用文献:  4件

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各種コード

  • NII論文ID(NAID)
    10004540607
  • NII書誌ID(NCID)
    AN10136312
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    03854205
  • NDL 記事登録ID
    4780283
  • NDL 雑誌分類
    ZN31(科学技術--電気工学・電気機械工業)
  • NDL 請求記号
    Z16-793
  • データ提供元
    CJP書誌  CJP引用  NDL  IR 
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