Presentation 2014-07-10
Noise Suppression Effect by Three-Terminal Capacitors on Power Line for Digital Circuit Using
Akihito KOBAYASHI, Yasuhiro SHIRAKI, Yuichi SASAKI, Naoto OKA, Hideyuki OHASHI,
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Abstract(in English) Three-terminal capacitors have been investigated as bypass capacitors of the noise filter, because residual inductance of the three-terminal capacitors is smaller than that of conventional two-terminal capacitors. In this paper, we show the availability of numerical technique which can predict noise suppression effect using the three-terminal capacitors First, we explain the construction of equivalent circuit of the three-terminal capacitor, by subtracting the parasitic inductance of patterns and vias on test boards from the measured results. Next, the noise suppression effect of evaluation boards is analyzed by electromagnetic analysis with the equivalent circuits of the three-terminal capacitors. The analyzed results identical with the measured results quantitatively. Finally, we show residual inductance of the three-terminal capacitors is 1/10 of conventional two-terminal capacitors, and the noise suppression effect of a three-terminal capacitor is equivalent to four parallel connected conventional two-terminal capacitors.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Three Terminal Capacitor / Two Terminal Capacitor / Electromagnetic Analysis / Transmission Characteristics
Paper # EMCJ2014-18
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Conference Information
Committee EMCJ
Conference Date 2014/7/3(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) Noise Suppression Effect by Three-Terminal Capacitors on Power Line for Digital Circuit Using
Sub Title (in English)
Keyword(1) Three Terminal Capacitor
Keyword(2) Two Terminal Capacitor
Keyword(3) Electromagnetic Analysis
Keyword(4) Transmission Characteristics
1st Author's Name Akihito KOBAYASHI
1st Author's Affiliation Mitsubishi Electric Corporation()
2nd Author's Name Yasuhiro SHIRAKI
2nd Author's Affiliation Mitsubishi Electric Corporation
3rd Author's Name Yuichi SASAKI
3rd Author's Affiliation Mitsubishi Electric Corporation
4th Author's Name Naoto OKA
4th Author's Affiliation Mitsubishi Electric Corporation
5th Author's Name Hideyuki OHASHI
5th Author's Affiliation Mitsubishi Electric Corporation
Date 2014-07-10
Paper # EMCJ2014-18
Volume (vol) vol.114
Number (no) 129
Page pp.pp.-
#Pages 5
Date of Issue