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| Presentation | 2020-12-10 13:40 High-Efficiency Wide-Dynamic-Power-Range Rectifier with Adaptive Self-Gate-Biasing Jun Yamazaki, Ryo Ishikawa, Kazuhiko Honjo (UEC)  MW2020-72 Link to ES Tech. Rep. Archives: MW2020-72 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In RF energy harvesting and wireless power transfer, it is required to develop rectifiers having wide dynamic range characteristic since a received power level varies with a distance between transmitters and receivers and environment. In transistor rectifiers designed based on time-reversal duality with amplifiers, a peak of the RF-DC conversion efficiency tends to shift to the higher input power region by decreasing the gate-bias voltage from the threshold voltage. In this report, to utilize the above characteristic, a wide-dynamic-range high-efficiency rectifier configuration combining a main rectifier for operating high efficiency and a sub rectifier for applying an appropriate gate-bias voltage to the main rectifier according to input power has been proposed. A fabricated rectifier with zero-threshold GaAs HEMTs exhibited a RF-to-DC power conversion efficiency of more than 60% and 70% for an input power from 0 to 25 dBm and 9 to 24 dBm, respectively. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Energy harvesting / Wireless power transfer / Transistor rectifier / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 120, no. 280, MW2020-72, pp. 7-11, Dec. 2020. | |
| Paper # | MW2020-72 | |
| Date of Issue | 2020-12-03 (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 | MW2020-72 Link to ES Tech. Rep. Archives: MW2020-72 |
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| Conference Information | |
| Committee | MW |
| Conference Date | 2020-12-10 - 2020-12-10 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | MW |
| Conference Code | 2020-12-MW |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | High-Efficiency Wide-Dynamic-Power-Range Rectifier with Adaptive Self-Gate-Biasing |
| Sub Title (in English) | |
| Keyword(1) | Energy harvesting |
| Keyword(2) | Wireless power transfer |
| Keyword(3) | Transistor rectifier |
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| 1st Author's Name | Jun Yamazaki |
| 1st Author's Affiliation | The University of Electro-Communications (UEC) |
| 2nd Author's Name | Ryo Ishikawa |
| 2nd Author's Affiliation | The University of Electro-Communications (UEC) |
| 3rd Author's Name | Kazuhiko Honjo |
| 3rd Author's Affiliation | The University of Electro-Communications (UEC) |
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| Speaker | Author-1 |
| Date Time | 2020-12-10 13:40:00 |
| Presentation Time | 25 minutes |
| Registration for | MW |
| Paper # | MW2020-72 |
| Volume (vol) | vol.120 |
| Number (no) | no.280 |
| Page | pp.7-11 |
| #Pages | 5 |
| Date of Issue | 2020-12-03 (MW) |
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