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Paper Abstract and Keywords
Presentation 2012-10-19 14:05
Development of a DC Power-supply Circuit for a Low Power Rectenna
Yong Huang, Naoki Shinohara, Tomohiko Mitani (Kyoto Univ.) MW2012-108 Link to ES Tech. Rep. Archives: MW2012-108
Abstract (in Japanese) (See Japanese page) 
(in English) This study proposes a DC power-supply circuit for an mW low power RF-DC rectifier circuit. We know that the efficiency of a RF-DC rectifier circuit is affected by the load and the input power. So it can’t supply a steady power for an available load user. In order to improve the efficiency characteristics, a RF-DC-DC power-supply circuit was proposed which consists of a RF-DC rectifier circuit and a DC-DC converter in this study. We simulated the proposed circuit with microwave frequency of 2.45 GHz in rectenna and switching frequency of 1.8 MHz in DC converter using Advanced Design System (ADS) simulator. The conversion efficiency was over 70% in a wide range of load 375 Ohm to 1300 Ohm at 100 mW input power in comparison with a RF-DC rectifier circuit at the same conversion efficiency.
Keyword (in Japanese) (See Japanese page) 
(in English) low power rectenna / DC-DC converter / DC power-supply circuit / RF-DC-DC circuit / / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 251, MW2012-108, pp. 153-156, Oct. 2012.
Paper # MW2012-108 
Date of Issue 2012-10-11 (MW) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 MW2012-108 Link to ES Tech. Rep. Archives: MW2012-108

Conference Information
Committee MW  
Conference Date 2012-10-18 - 2012-10-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Utsunomiya Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Microwave Technologies 
Paper Information
Registration To MW 
Conference Code 2012-10-MW 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Development of a DC Power-supply Circuit for a Low Power Rectenna 
Sub Title (in English)  
Keyword(1) low power rectenna  
Keyword(2) DC-DC converter  
Keyword(3) DC power-supply circuit  
Keyword(4) RF-DC-DC circuit  
1st Author's Name Yong Huang  
1st Author's Affiliation Kyoto University (Kyoto Univ.)
2nd Author's Name Naoki Shinohara  
2nd Author's Affiliation Kyoto University (Kyoto Univ.)
3rd Author's Name Tomohiko Mitani  
3rd Author's Affiliation Kyoto University (Kyoto Univ.)
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Speaker Author-1 
Date Time 2012-10-19 14:05:00 
Presentation Time 20 minutes 
Registration for MW 
Paper # MW2012-108 
Volume (vol) vol.112 
Number (no) no.251 
Page pp.153-156 
Date of Issue 2012-10-11 (MW) 

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