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Paper Abstract and Keywords
Presentation 2014-12-19 15:40
Flexibility of On-Board RL Snubber for PDN Resonance Damping in terms of Mount Location
Kengo Iokibe, Yoshitaka Toyota (Okayama Univ.) EMCJ2014-81
Abstract (in Japanese) (See Japanese page) 
(in English) RL snubber had been proposed as a method to damp LC resonances in a power distribution network (PDN) for digital integrated circuits (ICs). In this study, the RL snubber was investigated whether the effect of PDN resonance damping depends on its location in the printed circuit board. RL snubber was implemented at two locations; near and distant from the digital IC mounted on the test board as the noise source. For each of the two locations, the RL snubber was optimized in terms of resistance and inductance to provide maximum reduction of resonant current. The effect of PDN resonance damping was observed in terms of RF power current by both measurement and simulation. Results confirmed that the RL snubbers reduced the resonant power current significantly for both near and distant locations. On board RL snubbers, therefore, reduce the resonant current independently of their locations in the PDN. This means that the RL snubber involves a flexibility of implementation location on a printed circuit board. On board RL snubbers, thus, can be placed at any locations in flexibly response to other restrictions to your design.
Keyword (in Japanese) (See Japanese page) 
(in English) Conducted EMI / Power bounce / Power distribution network / RL snubber / RC snubber / Resonance damping / Digital IC / Switching current  
Reference Info. IEICE Tech. Rep., vol. 114, no. 381, EMCJ2014-81, pp. 69-74, Dec. 2014.
Paper # EMCJ2014-81 
Date of Issue 2014-12-12 (EMCJ) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
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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 IEE-EMC  
Conference Date 2014-12-19 - 2014-12-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Shizuoka Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Power electronics, EMC, etc. 
Paper Information
Registration To EMCJ 
Conference Code 2014-12-EMCJ-EMC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Flexibility of On-Board RL Snubber for PDN Resonance Damping in terms of Mount Location 
Sub Title (in English)  
Keyword(1) Conducted EMI  
Keyword(2) Power bounce  
Keyword(3) Power distribution network  
Keyword(4) RL snubber  
Keyword(5) RC snubber  
Keyword(6) Resonance damping  
Keyword(7) Digital IC  
Keyword(8) Switching current  
1st Author's Name Kengo Iokibe  
1st Author's Affiliation Okayama University (Okayama Univ.)
2nd Author's Name Yoshitaka Toyota  
2nd Author's Affiliation Okayama University (Okayama Univ.)
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Speaker Author-1 
Date Time 2014-12-19 15:40:00 
Presentation Time 25 minutes 
Registration for EMCJ 
Paper # EMCJ2014-81 
Volume (vol) vol.114 
Number (no) no.381 
Page pp.69-74 
#Pages 6 
Date of Issue 2014-12-12 (EMCJ) 

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