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Paper Abstract and Keywords
Presentation 2014-12-18 13:00
Study of Power Re-Use Mechanism for Out-Phasing Power Amplifiers
Yuto Maeda, Hidehisa Shiomi, Yasuyuki Okamura (Osaka Univ.) MW2014-155
Abstract (in Japanese) (See Japanese page) 
(in English) Recently, high accurate and high efficiencient signal generation is needed for wireless communication transmitters. So, our research group studies out-phasing system as the way to generate signals which meets such a demand. This report presents the result of recycling the out-of-phase mode power which are loss for the out-phasing power amplifiers by power re-use mechanism. The experiment results show that the maximum recycling efficiency of $14.69%$ out-of-phase power with $180^{circ}$ hybrid coupler and full wave rectifier. In addition, we simulated F-class amplifiers and the circuit which supplies amplifiers with the recycled current.
Keyword (in Japanese) (See Japanese page) 
(in English) out-phasing / power re-use / / / / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 376, MW2014-155, pp. 41-44, Dec. 2014.
Paper # MW2014-155 
Date of Issue 2014-12-11 (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 MW2014-155

Conference Information
Committee MW  
Conference Date 2014-12-18 - 2014-12-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Aoyama Gakuin Univ. Aoyama Campus 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Student / Microwave Technologies 
Paper Information
Registration To MW 
Conference Code 2014-12-MW 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Study of Power Re-Use Mechanism for Out-Phasing Power Amplifiers 
Sub Title (in English)  
Keyword(1) out-phasing  
Keyword(2) power re-use  
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1st Author's Name Yuto Maeda  
1st Author's Affiliation Osaka University (Osaka Univ.)
2nd Author's Name Hidehisa Shiomi  
2nd Author's Affiliation Osaka University (Osaka Univ.)
3rd Author's Name Yasuyuki Okamura  
3rd Author's Affiliation Osaka University (Osaka Univ.)
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Speaker Author-1 
Date Time 2014-12-18 13:00:00 
Presentation Time 25 minutes 
Registration for MW 
Paper # MW2014-155 
Volume (vol) vol.114 
Number (no) no.376 
Page pp.41-44 
#Pages 4 
Date of Issue 2014-12-11 (MW) 

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