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| Presentation | 2021-01-21 15:30 [Tutorial Lecture] Practical Decoupling Circuits for Two-Element Antenna Array Kengo Nishimoto, Hidetoshi Makimura, Yasuhiro Nishioka, Yoshio Inasawa (Mitsubishi Electric)  AP2020-108 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This paper presents two types of practical decoupling circuits for two-element antenna arrays. The first is a small circuit consisting of two series susceptances and two shunt susceptances. This circuit can not only decrease the mutual coupling but also change the excitation distribution. The excitation amplitude ratio can be controlled by the shunt susceptance on the antenna side, and the excitation phase difference can be controlled by the ratio of the two series susceptances. We show design equations and confirm that the antenna gain can be improved only by the control of the excitation amplitude ratio. The second is a circuit consisting of two directional couplers, a transmission line and a shunt resonant circuit. This circuit can greatly decrease the mutual coupling over a wideband. We show the design method and confirm the effectiveness by simulations. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Small antenna / Decoupling circuit / Two-element antenna array / Excitation distribution / Wideband / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 120, no. 325, AP2020-108, pp. 27-32, Jan. 2021. | |
| Paper # | AP2020-108 | |
| Date of Issue | 2021-01-14 (AP) | |
| 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 | AP2020-108 |
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| Conference Information | |
| Committee | WPT AP |
| Conference Date | 2021-01-21 - 2021-01-22 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | AP |
| Conference Code | 2021-01-WPT-AP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Practical Decoupling Circuits for Two-Element Antenna Array |
| Sub Title (in English) | |
| Keyword(1) | Small antenna |
| Keyword(2) | Decoupling circuit |
| Keyword(3) | Two-element antenna array |
| Keyword(4) | Excitation distribution |
| Keyword(5) | Wideband |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Kengo Nishimoto |
| 1st Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric) |
| 2nd Author's Name | Hidetoshi Makimura |
| 2nd Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric) |
| 3rd Author's Name | Yasuhiro Nishioka |
| 3rd Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric) |
| 4th Author's Name | Yoshio Inasawa |
| 4th Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric) |
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| Speaker | Author-1 |
| Date Time | 2021-01-21 15:30:00 |
| Presentation Time | 50 minutes |
| Registration for | AP |
| Paper # | AP2020-108 |
| Volume (vol) | vol.120 |
| Number (no) | no.325 |
| Page | pp.27-32 |
| #Pages | 6 |
| Date of Issue | 2021-01-14 (AP) |
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