Simplified Interference Coupling Model for Two Orthogonal Striplines on Adjacent Layers

Kenji ARAKI  Fengchao XIAO  Yoshio KAMI  

Publication
IEICE TRANSACTIONS on Communications   Vol.E91-B   No.12   pp.3983-3989
Publication Date: 2008/12/01
Online ISSN: 1745-1345
DOI: 10.1093/ietcom/e91-b.12.3983
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Electromagnetic Compatibility(EMC)
Keyword: 
interference,  crosstalk,  PCB,  orthogonally intersecting line,  time domain,  

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Summary: 
To evaluate frequency-domain interference between orthogonally intersecting stripline geometries, a lumped mutual capacitance was incorporated into a circuit model, and then a simplified circuit was proposed in the previous paper. The circuit model was approximated from an investigation of the distribution of mutual capacitance but it has remained how the capacitance is approximated. In this paper, a technique using an error function is proposed for the problem. Then, the time-domain response in an analytical expression is studied using the simplified circuit model in a Laplace transformation to make the mechanism clear. Comparing the experimental and the computed results verifies the proposed models.