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| Presentation | 2006-05-19 14:40 Miniaturization of a Sleeve Antenna with Variable Capacitors Kengo Nishimoto, Ryosuke Umeno, Toru Fukasawa, Masataka Ohtsuka (Mitsubishi Electric)  AP2006-28 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In a sleeve antenna, CRB(Current Rejection Band: the band within which the leakage current on the feeder is suppressed) becomes wider with an increase in the antenna width. Therefore, when the wideband characteristic is required, the sleeve antenna becomes large. For the miniaturization of the sleeve antenna, we have investigated the sleeve antenna with variable capacitors, in which the sleeve conductor is divided into two parts and a variable capacitor connects them. Here, we proposed a more miniaturized sleeve antenna. In this antenna, a variable capacitor connects the sleeve conductor and the ground conductor of the feeder. The theory of this antenna is shown. Then, the relationship between the length of the sleeve and the width of CRB is researched. Moreover, we confirm that CRB can be varied by changing the reverse bias voltage of a variable capacitance diode, and the wide impedance bandwidth is achieved. The radiation patterns are also measured. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | sleeve antennas / variable capacitors / leakage current / frequency-tunable / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 106, no. 40, AP2006-28, pp. 105-110, May 2006. | |
| Paper # | AP2006-28 | |
| Date of Issue | 2006-05-11 (AP) | |
| ISSN | Print edition: ISSN 0913-5685 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 | AP2006-28 |
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| Conference Information | |
| Committee | AP SAT |
| Conference Date | 2006-05-18 - 2006-05-19 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kagoshima Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Satellite Communications and Antennas and Propagation |
| Paper Information | |
| Registration To | AP |
| Conference Code | 2006-05-AP-SAT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Miniaturization of a Sleeve Antenna with Variable Capacitors |
| Sub Title (in English) | |
| Keyword(1) | sleeve antennas |
| Keyword(2) | variable capacitors |
| Keyword(3) | leakage current |
| Keyword(4) | frequency-tunable |
| Keyword(5) | |
| Keyword(6) | |
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| Keyword(8) | |
| 1st Author's Name | Kengo Nishimoto |
| 1st Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric) |
| 2nd Author's Name | Ryosuke Umeno |
| 2nd Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric) |
| 3rd Author's Name | Toru Fukasawa |
| 3rd Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric) |
| 4th Author's Name | Masataka Ohtsuka |
| 4th Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric) |
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| Speaker | Author-1 |
| Date Time | 2006-05-19 14:40:00 |
| Presentation Time | 25 minutes |
| Registration for | AP |
| Paper # | AP2006-28 |
| Volume (vol) | vol.106 |
| Number (no) | no.40 |
| Page | pp.105-110 |
| #Pages | 6 |
| Date of Issue | 2006-05-11 (AP) |
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