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Paper Abstract and Keywords
Presentation 2009-06-30 15:25
Compensation Method of Intermodulation Distortion by Thermal Memory Effect for Microwave Power Amplifiers
Junichi Kimura, Ryo Ishikawa, Yukio Takahashi, Kazuhiko Honjo (The Univ. of Electro-Comm.) MW2009-27 Link to ES Tech. Rep. Archives: MW2009-27
Abstract (in Japanese) (See Japanese page) 
(in English) A compensation method for 3rd order Intermodulation Distortion (IMD3) caused by a thermal memory effect in microwave power amplifier using an InGaP/GaAs HBT has been proposed, and verified experimentally. In addition, the IMD3 compensation method was analyzed by using the Volterra series. An RC-ladder network was inserted into base bias circuit of the amplifier to compensate the thermal memory effect by controlling impedance at sub-harmonic frequencies. Using the optimized compensation circuit, it was confirmed that asymmetry between upper and lower components of IMD3 was improved and their absolute values were decreased.
Keyword (in Japanese) (See Japanese page) 
(in English) Power amplifier / 3rd order Intermodulation Distortion / Thermal memory effect / RC-ladder network / HBT / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 109, MW2009-27, pp. 45-50, June 2009.
Paper # MW2009-27 
Date of Issue 2009-06-23 (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 MW2009-27 Link to ES Tech. Rep. Archives: MW2009-27

Conference Information
Committee MW  
Conference Date 2009-06-30 - 2009-06-30 
Place (in Japanese) (See Japanese page) 
Place (in English) Nagoya Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To MW 
Conference Code 2009-06-MW 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Compensation Method of Intermodulation Distortion by Thermal Memory Effect for Microwave Power Amplifiers 
Sub Title (in English)  
Keyword(1) Power amplifier  
Keyword(2) 3rd order Intermodulation Distortion  
Keyword(3) Thermal memory effect  
Keyword(4) RC-ladder network  
Keyword(5) HBT  
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Keyword(8)  
1st Author's Name Junichi Kimura  
1st Author's Affiliation The University of Electro-Communications (The Univ. of Electro-Comm.)
2nd Author's Name Ryo Ishikawa  
2nd Author's Affiliation The University of Electro-Communications (The Univ. of Electro-Comm.)
3rd Author's Name Yukio Takahashi  
3rd Author's Affiliation The University of Electro-Communications (The Univ. of Electro-Comm.)
4th Author's Name Kazuhiko Honjo  
4th Author's Affiliation The University of Electro-Communications (The Univ. of Electro-Comm.)
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Speaker Author-1 
Date Time 2009-06-30 15:25:00 
Presentation Time 25 minutes 
Registration for MW 
Paper # MW2009-27 
Volume (vol) vol.109 
Number (no) no.109 
Page pp.45-50 
#Pages
Date of Issue 2009-06-23 (MW) 


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