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Paper Abstract and Keywords
Presentation 2008-12-19 11:15
Compatibility Design of EMI Reduction and Power Integrity by Power Decoupling and Destributed Locating of Capacitors in LSI Power Distribution Network
Hiroshi Tanaka, Osami Wada, Takashi Hisakado (Kyoto Univ.) EMCJ2008-91
Abstract (in Japanese) (See Japanese page) 
(in English) Conventionally a strategy of reducing impedance of DC power distribution network (PDN) for LSI has been adopted to improve the power integrity. However, when the high-frequency component of LSI operation current is supplied from bypass capacitors on the PCB, it can cause EMI increase. To decouple such high-frequency current and reduce EMI, we introduced decoupling inductors on the PDN in combination with bypass capacitors located on chip, package and PCB to improve the power integrity. In this report, we propose a design scheme of the decoupling circuit with an example that confines the high-frequency component above 600~MHz in the package, above 100~MHz in the decoupling circuit on PCB, and DC supply current only contains the frequencies lower than 1~MHz.
Keyword (in Japanese) (See Japanese page) 
(in English) LSI power distribution network / power integrity / reduce of EMI / decoupling capacitor / decoupling inductor / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 367, EMCJ2008-91, pp. 31-36, Dec. 2008.
Paper # EMCJ2008-91 
Date of Issue 2008-12-12 (EMCJ) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee EMCJ  
Conference Date 2008-12-19 - 2008-12-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Gifu Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EMCJ 
Conference Code 2008-12-EMCJ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Compatibility Design of EMI Reduction and Power Integrity by Power Decoupling and Destributed Locating of Capacitors in LSI Power Distribution Network 
Sub Title (in English)  
Keyword(1) LSI power distribution network  
Keyword(2) power integrity  
Keyword(3) reduce of EMI  
Keyword(4) decoupling capacitor  
Keyword(5) decoupling inductor  
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Keyword(7)  
Keyword(8)  
1st Author's Name Hiroshi Tanaka  
1st Author's Affiliation Kyoto University (Kyoto Univ.)
2nd Author's Name Osami Wada  
2nd Author's Affiliation Kyoto University (Kyoto Univ.)
3rd Author's Name Takashi Hisakado  
3rd Author's Affiliation Kyoto University (Kyoto Univ.)
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Speaker Author-1 
Date Time 2008-12-19 11:15:00 
Presentation Time 25 minutes 
Registration for EMCJ 
Paper # EMCJ2008-91 
Volume (vol) vol.108 
Number (no) no.367 
Page pp.31-36 
#Pages 6 
Date of Issue 2008-12-12 (EMCJ) 

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