Presentation 2000/7/14
Reduction of Electromagnetic radiation by placing capacitors between adjacent power planes for printed circuit board
Ayako TAKAGI, Haruhiko OKUMURA,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) Reduction of electromagnetic radiation technique for Printed circuit board whose power plane is divided by some voltage power sources in the same layer is reported. By placing capacitors between adjacent power planes, high frequency current is distributed another power plane and high frequency voltage is suppressed at both ends of power planes. Electromagnetic radiation reduces by 10dB at the result of test circuit board measurement. At first capacitors must be placed at both ends of adjacent side each other to suppress another extra resonance by linear circuit simulation.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) EMI / capacitors / resonance frequency / noise / S-parameter / printed circuit board
Paper # EMCJ2000-36
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Conference Information
Committee EMCJ
Conference Date 2000/7/14(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) Reduction of Electromagnetic radiation by placing capacitors between adjacent power planes for printed circuit board
Sub Title (in English)
Keyword(1) EMI
Keyword(2) capacitors
Keyword(3) resonance frequency
Keyword(4) noise
Keyword(5) S-parameter
Keyword(6) printed circuit board
1st Author's Name Ayako TAKAGI
1st Author's Affiliation Corporate Research and Development Center, Toshiba Corporation()
2nd Author's Name Haruhiko OKUMURA
2nd Author's Affiliation Corporate Research and Development Center, Toshiba Corporation
Date 2000/7/14
Paper # EMCJ2000-36
Volume (vol) vol.100
Number (no) 207
Page pp.pp.-
#Pages 7
Date of Issue