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Paper Abstract and Keywords
Presentation 2025-09-18 13:10
[Poster Presentation] Design of a broadband microwave rectifier using a 10-stage multi-stage matching circuit
Kodai Nakao, Takehiro Yamaki, Satoshi Yoshida (Ryukoku Univ) AP2025-139 MW2025-121
Abstract (in Japanese) (See Japanese page) 
(in English) In this study, we designed a double-voltage rectifier circuit for microwave wireless power transfer (MPT).
The double-voltage rectifier circuit was designed using microstrip lines and lumped elements.
The circuit design of the impedance matching section used multi-stage matching to reduce the Q value and shorten the impedance locus to ensure broadband capability.
As a result, when the DC load resistance was 500,ohms, the frequency characteristics of the RF-DC conversion efficiency a bandwidth ratio of 149.3,% over a frequency range of 0.9 to 6.2,GHz.
Keyword (in Japanese) (See Japanese page) 
(in English) Broadband rectifiers / Fractional bandwidth / Matching circuit / / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 181, MW2025-121, pp. 172-173, Sept. 2025.
Paper # MW2025-121 
Date of Issue 2025-09-10 (AP), 2025-09-11 (MW) 
ISSN 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 AP2025-139 MW2025-121

Conference Information
Committee MW AP  
Conference Date 2025-09-16 - 2025-09-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Koganei Campus, Tokyo University of Agriculture and Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Student Session, Microwave, Millimeter wave, Radio propagation, Antennas and Propagation 
Paper Information
Registration To MW 
Conference Code 2025-09-MW-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Design of a broadband microwave rectifier using a 10-stage multi-stage matching circuit 
Sub Title (in English)  
Keyword(1) Broadband rectifiers  
Keyword(2) Fractional bandwidth  
Keyword(3) Matching circuit  
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1st Author's Name Kodai Nakao  
1st Author's Affiliation Ryukoku University (Ryukoku Univ)
2nd Author's Name Takehiro Yamaki  
2nd Author's Affiliation Ryukoku University (Ryukoku Univ)
3rd Author's Name Satoshi Yoshida  
3rd Author's Affiliation Ryukoku University (Ryukoku Univ)
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Speaker Author-1 
Date Time 2025-09-18 13:10:00 
Presentation Time 120 minutes 
Registration for MW 
Paper # AP2025-139, MW2025-121 
Volume (vol) vol.125 
Number (no) no.180(AP), no.181(MW) 
Page pp.237-238(AP), pp.172-173(MW) 
#Pages 2 
Date of Issue 2025-09-10 (AP), 2025-09-11 (MW) 

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