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Paper Abstract and Keywords
Presentation 2022-05-20 11:20
A Wideband Cancellation Circuit Enabling Control of Amplitude-Frequency Characteristics by Using Two Variable Resistors
Shingo Yamaura, Kengo Nishimoto, Yasuhiro Nishioka, Yoshio Inasawa (Mitsubishi Electric) AP2022-25
Abstract (in Japanese) (See Japanese page) 
(in English) This paper proposes a wideband cancellation circuit enabling control of amplitude-frequency characteristics by using two variable resistors. First, characteristics of the proposed circuit are formulated. Next, it is shown that amplitude-frequency characteristics of a concave shape, a convex shape, and a flat shape are obtained by designing values of the variable resistors. An absolute value of amplitude and a quality-factor of amplitude-frequency characteristics can be independently controlled with the variable resistors. Last, relative bandwidths of simultaneous bidirectional transmission circuit with a conventional canceler and that with the proposed canceler are compared. The wideband characteristics of the proposed circuit are revealed. Simulation results with the proposed canceler show more than 30dB cancellation over a relative bandwidth of 12% including an operation bandwidth of an antenna in the bidirectional transmission circuit.
Keyword (in Japanese) (See Japanese page) 
(in English) Cancellation circuit / Wideband / Variable-resistor / / / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 34, AP2022-25, pp. 79-84, May 2022.
Paper # AP2022-25 
Date of Issue 2022-05-12 (AP) 
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 AP2022-25

Conference Information
Committee AP  
Conference Date 2022-05-19 - 2022-05-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Kobe Port Oasis 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2022-05-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Wideband Cancellation Circuit Enabling Control of Amplitude-Frequency Characteristics by Using Two Variable Resistors 
Sub Title (in English)  
Keyword(1) Cancellation circuit  
Keyword(2) Wideband  
Keyword(3) Variable-resistor  
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1st Author's Name Shingo Yamaura  
1st Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric)
2nd Author's Name Kengo Nishimoto  
2nd Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric)
3rd Author's Name Yasuhiro Nishioka  
3rd Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric)
4th Author's Name Yoshio Inasawa  
4th Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric)
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Speaker
Date Time 2022-05-20 11:20:00 
Presentation Time 25 
Registration for AP 
Paper # IEICE-AP2022-25 
Volume (vol) IEICE-122 
Number (no) no.34 
Page pp.79-84 
#Pages IEICE-6 
Date of Issue IEICE-AP-2022-05-12 


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