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Paper Abstract and Keywords
Presentation 2019-11-14 13:40
RF Energy Harvester Rectifiers Using Diodes Resonating with External Inductors
Kei Ohno, Shinichi Tanaka (Shibaura Inst. of Tech.) MW2019-102
Abstract (in Japanese) (See Japanese page) 
(in English) Low power rectifier for RF energy harvester based on a new operation principle is presented. The single-diode rectifier employs an external series inductor resonating with the diode parasitic capacitances. The resonance leads to almost perfect input impedance matching to the RF source (antenna) over wide dynamic input power range, as well as enhanced diode-sensitivity to the weak environmental RF signal. The unique operation mechanism of the rectifier is explained based on a physical circuit model which is verified by a simulation study. Prototype rectifiers for 700-MHz bands were designed and fabricated using commercial discrete diodes, demonstrating 38% RF-DC conversion efficiency at RF input power of -20 dBm.
Keyword (in Japanese) (See Japanese page) 
(in English) diode / rectifier / resonance / RF-DC conversion efficiency / RF energy harvesting / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 292, MW2019-102, pp. 13-18, Nov. 2019.
Paper # MW2019-102 
Date of Issue 2019-11-07 (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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF MW2019-102

Conference Information
Committee MW  
Conference Date 2019-11-14 - 2019-11-15 
Place (in Japanese) (See Japanese page) 
Place (in English) Minami Daido Villa. Tamokuteki Koryu Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Microwave Technologies 
Paper Information
Registration To MW 
Conference Code 2019-11-MW 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) RF Energy Harvester Rectifiers Using Diodes Resonating with External Inductors 
Sub Title (in English)  
Keyword(1) diode  
Keyword(2) rectifier  
Keyword(3) resonance  
Keyword(4) RF-DC conversion efficiency  
Keyword(5) RF energy harvesting  
1st Author's Name Kei Ohno  
1st Author's Affiliation Shibaura Insitute of Technology (Shibaura Inst. of Tech.)
2nd Author's Name Shinichi Tanaka  
2nd Author's Affiliation Shibaura Insitute of Technology (Shibaura Inst. of Tech.)
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Date Time 2019-11-14 13:40:00 
Presentation Time 25 
Registration for MW 
Paper # IEICE-MW2019-102 
Volume (vol) IEICE-119 
Number (no) no.292 
Page pp.13-18 
#Pages IEICE-6 
Date of Issue IEICE-MW-2019-11-07 

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