Presentation 2012-03-16
A Study on EMC Design of Differential Transmission Line
Satoshi YONEDA, Shogo USHIO, Chiharu MIYAZAKI, Naoto OKA,
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Abstract(in English) Differential transmission lines are generally known as a line-structure with low radiated noise and high noise tolerability. Though high structural balance is usually required to improve these performances, degradation of the balance may often occur from asymmetry of the structure. In that case, some of differential-mode signal is transformed to common-mode, which may often causes increase of radiated noise from the differential transmission line. It is therefore important to reduce the ratio of transformed common-mode to differential-mode (S_) in the design stage to suppress the radiated noise. In this paper, EM-analysis and measurement results of S_ in the case of closely situated ground edge are shown. The results showed good agreement, and would be applicable in EMC design of differential transmission lines.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) EMC / EMI / PCB / differential transmission line / common-mode signal / differential-mode signal / mode transformation / radiated noise suppression / EM-analysis / ground edge / mixed mode S-parameters
Paper # EMCJ2011-135
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Conference Information
Committee EMCJ
Conference Date 2012/3/9(1days)
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Paper Information
Registration To Electromagnetic Compatibility (EMCJ)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) A Study on EMC Design of Differential Transmission Line
Sub Title (in English)
Keyword(1) EMC
Keyword(2) EMI
Keyword(3) PCB
Keyword(4) differential transmission line
Keyword(5) common-mode signal
Keyword(6) differential-mode signal
Keyword(7) mode transformation
Keyword(8) radiated noise suppression
Keyword(9) EM-analysis
Keyword(10) ground edge
Keyword(11) mixed mode S-parameters
1st Author's Name Satoshi YONEDA
1st Author's Affiliation Information Technology R&D Center, Mitsubishi Electric Corp.()
2nd Author's Name Shogo USHIO
2nd Author's Affiliation Mitsubishi Electric Engineering Co. Ltd.
3rd Author's Name Chiharu MIYAZAKI
3rd Author's Affiliation Information Technology R&D Center, Mitsubishi Electric Corp.
4th Author's Name Naoto OKA
4th Author's Affiliation Information Technology R&D Center, Mitsubishi Electric Corp.
Date 2012-03-16
Paper # EMCJ2011-135
Volume (vol) vol.111
Number (no) 492
Page pp.pp.-
#Pages 5
Date of Issue