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Paper Abstract and Keywords
Presentation 2013-03-14 13:00
Parallel Connected Class D Amplifiers for RF Power Source Applications
Tadashi Suetsugu, Xiuqin Wei (Fukuoka Univ.), Tomoharu Nagashima, Hiroo Sekiya (Chiba Univ.) NLP2012-150
Abstract (in Japanese) (See Japanese page) 
(in English) This paper researches about influence of multi-frequency operation of parallel connected class D amplifiers. It can be seen that variation in dc supply voltage of one amplifier leg does not influence to output waveform of another amplifier leg. However, parallel connection of two amplifiers influences output power of both amplifiers due to change in impedance of output filter. It is proposed to insert decoupling filter to the output of higher frequency amplifier to reduce the coupling. It is shown that decoupling filter successfully improved coupling between amplifiers.
Keyword (in Japanese) (See Japanese page) 
(in English) Class D amplifiers / parallel connection / impedance / decoupling filter / / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 487, NLP2012-150, pp. 33-36, March 2013.
Paper # NLP2012-150 
Date of Issue 2013-03-07 (NLP) 
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)
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Conference Information
Committee NLP  
Conference Date 2013-03-14 - 2013-03-15 
Place (in Japanese) (See Japanese page) 
Place (in English) Nishi-Chiba campus, Chiba Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General 
Paper Information
Registration To NLP 
Conference Code 2013-03-NLP 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Parallel Connected Class D Amplifiers for RF Power Source Applications 
Sub Title (in English)  
Keyword(1) Class D amplifiers  
Keyword(2) parallel connection  
Keyword(3) impedance  
Keyword(4) decoupling filter  
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1st Author's Name Tadashi Suetsugu  
1st Author's Affiliation Fukuoka University (Fukuoka Univ.)
2nd Author's Name Xiuqin Wei  
2nd Author's Affiliation Fukuoka University (Fukuoka Univ.)
3rd Author's Name Tomoharu Nagashima  
3rd Author's Affiliation Chiba University (Chiba Univ.)
4th Author's Name Hiroo Sekiya  
4th Author's Affiliation Chiba University (Chiba Univ.)
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Speaker Author-2 
Date Time 2013-03-14 13:00:00 
Presentation Time 25 minutes 
Registration for NLP 
Paper # NLP2012-150 
Volume (vol) vol.112 
Number (no) no.487 
Page pp.33-36 
#Pages
Date of Issue 2013-03-07 (NLP) 


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