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Paper Abstract and Keywords
Presentation 2014-03-04 11:00
Waveguide Loop-type Directional Couplers Using a Coupling Conductor with Protuberances
Hidenori Ishibashi, Yukihiro Tahara, Hidenori Yukawa (Mitsubishi Electric), Manabu Kurihara (RSEC), Tetsu Owada, Moriyasu Miyazaki (Mitsubishi Electric) MW2013-199
Abstract (in Japanese) (See Japanese page) 
(in English) The waveguide loop-type directional coupler is mainly used as power monitor of the waveguide circuits. It consists of a rectangular waveguide as a main line and a coaxial line as an auxiliary line. The coaxial line is coupled with the rectangular waveguide through a coupling hole which is smaller than quarter-wavelength. Therefore the waveguide loop-type directional coupler degrades the flatness of coupling response. The authors propose the waveguide loop-type directional couplers using a coupling conductor with protuberances in order to improve the coupling characteristics. In this report, we show the principle of improvement method and the measurement results.
Keyword (in Japanese) (See Japanese page) 
(in English) Directional coupler / Waveguide / Coaxial line / Coupling characteristic / / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 460, MW2013-199, pp. 13-18, March 2014.
Paper # MW2013-199 
Date of Issue 2014-02-25 (MW) 
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 MW2013-199

Conference Information
Committee MW  
Conference Date 2014-03-04 - 2014-03-05 
Place (in Japanese) (See Japanese page) 
Place (in English) Ehime University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Microwave Technologies 
Paper Information
Registration To MW 
Conference Code 2014-03-MW 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Waveguide Loop-type Directional Couplers Using a Coupling Conductor with Protuberances 
Sub Title (in English)  
Keyword(1) Directional coupler  
Keyword(2) Waveguide  
Keyword(3) Coaxial line  
Keyword(4) Coupling characteristic  
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1st Author's Name Hidenori Ishibashi  
1st Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric)
2nd Author's Name Yukihiro Tahara  
2nd Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric)
3rd Author's Name Hidenori Yukawa  
3rd Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric)
4th Author's Name Manabu Kurihara  
4th Author's Affiliation Ryoden Shonan Electronics Corporation (RSEC)
5th Author's Name Tetsu Owada  
5th Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric)
6th Author's Name Moriyasu Miyazaki  
6th Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric)
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Speaker Author-1 
Date Time 2014-03-04 11:00:00 
Presentation Time 25 minutes 
Registration for MW 
Paper # MW2013-199 
Volume (vol) vol.113 
Number (no) no.460 
Page pp.13-18 
#Pages 6 
Date of Issue 2014-02-25 (MW) 

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