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A Method for Charactering EMI Coupling Paths and Source Properties in Complex Systems

  • Missouri University of Science and Technology

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A method for charactering EMI coupling paths in complex systems is presented. While it is relatively easy to determine the EMI antenna structures or the sources of EMI, it is often quite difficult to identify, and even more difficult to quantify coupling paths. This paper introduces a measurement-based method to quantify EMI coupling paths, and the source strengths can be indirectly determined by applying linear system theory. Circuit design guidelines, e.g., the permissible even-mode current in a differential signal, can be derived with the knowledge of the coupling path and EMI limits. Moreover, the EMI can be better predicted with the knowledge of the coupling paths, and the EMI source properties simulated with IBIS or SPICE circuit level simulations.

Original languageAmerican English
Title of host publication2006 IEEE International Symposium on Electromagnetic Compatibility, EMC 2006
Pages114-118
Number of pages5
Volume1
DOIs
StatePublished - Aug 1 2006
Event2006 IEEE International Symposium on Electromagnetic Compatibility, EMC 2006 - Portland, OR, United States
Duration: Aug 14 2006Aug 18 2006

Publication series

NameProceedings of the IEEE International Symposium on Electromagnetic Compatibility (2006, Portland, OR)

Conference

Conference2006 IEEE International Symposium on Electromagnetic Compatibility, EMC 2006
Country/TerritoryUnited States
CityPortland, OR
Period8/14/068/18/06

ASJC Scopus Subject Areas

  • Condensed Matter Physics
  • Electrical and Electronic Engineering

Keywords

  • Antenna Arrays
  • Common Mode Current
  • Computer Simulation
  • Coupling Path
  • EMI
  • Electric Connectors
  • Evenmode Current
  • Evenmode Currents
  • Integrated Circuit Layout
  • Large Scale Systems
  • Linear Systems
  • Signal Interference
  • Transfer Impedance

Disciplines

  • Electrical and Computer Engineering

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