Current Estimation on Multi-Layer Printed Circuit Board with Lumped Circuits by Near-Field Measurement

Sumito KATO  Qiang CHEN  Kunio SAWAYA  

IEICE TRANSACTIONS on Communications   Vol.E91-B   No.11   pp.3788-3791
Publication Date: 2008/11/01
Online ISSN: 1745-1345
DOI: 10.1093/ietcom/e91-b.11.3788
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Electromagnetic Compatibility(EMC)
measurement,  current distribution,  near-field,  PCB,  lumped circuit,  

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Current distribution on a 2-layer PCB with lumped circuits is estimated by measuring the near electric field. In this method, the current estimation model is made without considering the electrical parameters of lumped circuits. Experimental results are demonstrated and compared with the numerical results, confirming the validity of this method.