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Paper Abstract and Keywords
Presentation 2014-03-04 11:25
A Power Combiner Allowing for the Variable Number of Input Ports
Akimichi Hirota, Yukihiro Tahara, Tetsu Owada, Yoshinori Yasunaga, Yuji Sakai, Moriyasu Miyazaki (Mitsubishi Electric) MW2013-200
Abstract (in Japanese) (See Japanese page) 
(in English) A high power transmitter frequently consist of two or more amplifiers, and outputs of the amplifiers are combined by a power combiner. However, when some amplifiers stop, an insertion loss of the power combiner increases because the number of the input powers vary. In this paper, a power combiner allowing for the variable number of input ports is presented. The proposed power combiner is a tournament-shaped combiner in which lengths of lines between T junction circuits are an odd multiple of a 1/4 wavelength. When some amplifiers stop, the powers of each amplifier can be combined with low loss in the proposed combiner, because the lines between the T junction circuits operate as impedance transformer.. The proposed 8 combiner is simulated and experimentally demonstrated in S-band. The insertion loss at six amplifiers is 0.25 dB in the experiments.
Keyword (in Japanese) (See Japanese page) 
(in English) Power Combiner / Amplifier / Waveguide, / / / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 460, MW2013-200, pp. 19-22, March 2014.
Paper # MW2013-200 
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 MW2013-200

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) A Power Combiner Allowing for the Variable Number of Input Ports 
Sub Title (in English)  
Keyword(1) Power Combiner  
Keyword(2) Amplifier  
Keyword(3) Waveguide,  
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1st Author's Name Akimichi Hirota  
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 Tetsu Owada  
3rd Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric)
4th Author's Name Yoshinori Yasunaga  
4th Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric)
5th Author's Name Yuji Sakai  
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 11:25:00 
Presentation Time 25 minutes 
Registration for MW 
Paper # MW2013-200 
Volume (vol) vol.113 
Number (no) no.460 
Page pp.19-22 
#Pages 4 
Date of Issue 2014-02-25 (MW) 

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