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Paper Abstract and Keywords
Presentation 2012-11-21 14:00
Proposals of compact broadband microwave Doherty amplifiers with generalized output-combining condition
Yoichiro Takayama, Kazuhiko Honjo (Univ. of Electro-Comm.) MW2012-115
Abstract (in Japanese) (See Japanese page) 
(in English) A Doherty amplifier usually consists of a carrier amplifier, peaking amplifier and an impedance inverting network. Microwave Doherty amplifiers with generalized output-combining condition are proposed. The output matching circuit of a carrier amplifier is designed to realize high performance both at low RF level in off-state of a peaking amplifier and at saturation RF level. The proposed amplifier enables Doherty amplifier configuration without the quarter-wave impedance inverting network. A line to invert output impedance of the off-state peaking amplifier to high level can be also removed. As a result, microwave Doherty amplifiers with compact circuit configuration and wideband performance can be expected.
Keyword (in Japanese) (See Japanese page) 
(in English) microwave amplifier / power amplifier / Doherty amplifier / broadband characteristics / / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 312, MW2012-115, pp. 7-12, Nov. 2012.
Paper # MW2012-115 
Date of Issue 2012-11-14 (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 MW2012-115

Conference Information
Committee MW  
Conference Date 2012-11-21 - 2012-11-22 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English) Microwave Technologies 
Paper Information
Registration To MW 
Conference Code 2012-11-MW 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Proposals of compact broadband microwave Doherty amplifiers with generalized output-combining condition 
Sub Title (in English)  
Keyword(1) microwave amplifier  
Keyword(2) power amplifier  
Keyword(3) Doherty amplifier  
Keyword(4) broadband characteristics  
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1st Author's Name Yoichiro Takayama  
1st Author's Affiliation University of Electro-Communications (Univ. of Electro-Comm.)
2nd Author's Name Kazuhiko Honjo  
2nd Author's Affiliation University of Electro-Communications (Univ. of Electro-Comm.)
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Speaker Author-1 
Date Time 2012-11-21 14:00:00 
Presentation Time 30 minutes 
Registration for MW 
Paper # MW2012-115 
Volume (vol) vol.112 
Number (no) no.312 
Page pp.7-12 
#Pages 6 
Date of Issue 2012-11-14 (MW) 

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