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Paper Abstract and Keywords
Presentation 2013-07-22 11:40
Proposal and demonstration of noise reduction method by modifying shunt resistors in RSFQ circuits.
Yuma Kita, Hiromi Matsuoka (Nagoya Univ.), Shigeyuki Miyajima (Osaka Prefecture Univ.), Masamitsu Tanaka, Akira Fujimaki (Nagoya Univ.) SCE2013-14
Abstract (in Japanese) (See Japanese page) 
(in English) Abstract The major noise sources in rapid single-flux-quantum (RSFQ) circuits are shunt resistors which are connected in parallel with Josephson junctions (JJs). We present a new design technique of RSFQ logic gates for noise reduction. In this study, we propose the use of a damping resistor shared with a junction pair composing a comparator, in addition to their individual shunt resistors increased from the standard values to increase McCumber-Stewart parameters from 1 to 4. We analyzed timing characteristics and bit error rates (BERs) of several RSFQ flip-flops composed of the proposed comparators using numerical simulation. The proposed comparator showed sharped BER curves, and improvement in timing characteristics compared to the standard comparator. We fabricated 2-bit shift registers using the noise reduction technique, and obtained sharp BER curves from the measurement.
Keyword (in Japanese) (See Japanese page) 
(in English) single-flux-quantum / low-noise / shunt resistor / shift register / / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 149, SCE2013-14, pp. 23-28, July 2013.
Paper # SCE2013-14 
Date of Issue 2013-07-15 (SCE) 
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)
Download PDF SCE2013-14

Conference Information
Committee SCE  
Conference Date 2013-07-22 - 2013-07-22 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikaishinkou-kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Signal processing technologies and their applications, etc. 
Paper Information
Registration To SCE 
Conference Code 2013-07-SCE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Proposal and demonstration of noise reduction method by modifying shunt resistors in RSFQ circuits. 
Sub Title (in English)  
Keyword(1) single-flux-quantum  
Keyword(2) low-noise  
Keyword(3) shunt resistor  
Keyword(4) shift register  
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1st Author's Name Yuma Kita  
1st Author's Affiliation Nagoya University (Nagoya Univ.)
2nd Author's Name Hiromi Matsuoka  
2nd Author's Affiliation Nagoya University (Nagoya Univ.)
3rd Author's Name Shigeyuki Miyajima  
3rd Author's Affiliation Osaka Prefecture University (Osaka Prefecture Univ.)
4th Author's Name Masamitsu Tanaka  
4th Author's Affiliation Nagoya University (Nagoya Univ.)
5th Author's Name Akira Fujimaki  
5th Author's Affiliation Nagoya University (Nagoya Univ.)
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Speaker Author-1 
Date Time 2013-07-22 11:40:00 
Presentation Time 25 minutes 
Registration for SCE 
Paper # SCE2013-14 
Volume (vol) vol.113 
Number (no) no.149 
Page pp.23-28 
#Pages 6 
Date of Issue 2013-07-15 (SCE) 

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