Parametric study on the effect of asymmetry in multi-channel differential signaling

Ki Jin Han, Xiaoxiong Gu, Young H. Kwark, Zhenwei Yu, Dazhao Liu, Bruce Archambeault, Samuel R. Connor, Jun Fan

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Scopus citations

Abstract

The effects of geometric asymmetry on the electrical performance of multi-channel differential signaling in printed circuit boards are investigated in this paper. The asymmetry, which is the origin of noise coupled through mode conversion, is difficult to control in real channel structures, where a large number of vias and traces are populated. Supported by an efficient parametric simulation tool, this paper presents the effects of the asymmetry on mode conversion and differential mode crosstalk in real multi-channel structures. This extensive parametric study was used to define design guidelines to suppress this noise coupling by adding ground vias in strategic locations.

Original languageEnglish
Title of host publicationEMC 2011 - Proceedings
Subtitle of host publication2011 IEEE International Symposium on Electromagnetic Compatibility
Pages131-136
Number of pages6
DOIs
StatePublished - 2011
Event2011 IEEE International Symposium on Electromagnetic Compatibility, EMC 2011 - Long Beach, CA, United States
Duration: 14 Aug 201119 Aug 2011

Publication series

NameIEEE International Symposium on Electromagnetic Compatibility
ISSN (Print)1077-4076

Conference

Conference2011 IEEE International Symposium on Electromagnetic Compatibility, EMC 2011
Country/TerritoryUnited States
CityLong Beach, CA
Period14/08/1119/08/11

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