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| Presentation | 2020-10-22 11:50 Fabrication of Broadband Folded Long-Hexagon Antenna and its Characteristic Measurement (2) Toshiya Ishizaki, Kyo Kobayashi, Shinobu Ishigami, Ken Kawamata (TGU), Katsushige Harima (NICT), Shingo Inori (Elena)  EMCJ2020-30 MW2020-44 EST2020-32 Link to ES Tech. Rep. Archives: MW2020-44 EST2020-32 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Folded rhombic-antenna has been proposed as a broadband antenna for use in electromagnetic interference (EMI) measurements and radio frequency (RF) immunity testing. The folded rhombic antenna is developed by Okamura et al [1] in the 1950s as a broadband antenna that can be used up to about 700 MHz. In our previous research, the complex antenna factor and absolute gain were measured by the 3-antenna method for an antenna with a half size of the original antenna. As a result, it was confirmed that the bandwidth in upper limit is 8.5 GHz, but the voltage standing wave ratio (VSWR) of the antenna input terminal was not sufficiently small due to insufficient machining accuracy and insufficient strength at the feeding point. There was also a problem with the flatness of the gain [2]. Therefore, a folded long-hexagon antenna was developed to improve these problems. The developed antenna has wider bandwidth up to 20 GHz and smaller VSWR than the previous antenna [3]. In this report, for the purpose of improving the gain in the low frequency range, the antenna shape and antenna dimensions are changed from the report [3], and prototypes are fabricated. The results of measuring the characteristics will be shown. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | folded rhombic antenna / folded long-hexagon antenna / 3-antenna method / complex antenna factor / antenna gain / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 120, no. 199, EMCJ2020-30, pp. 31-35, Oct. 2020. | |
| Paper # | EMCJ2020-30 | |
| Date of Issue | 2020-10-15 (EMCJ, MW, EST) | |
| 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 | EMCJ2020-30 MW2020-44 EST2020-32 Link to ES Tech. Rep. Archives: MW2020-44 EST2020-32 |
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| Conference Information | |
| Committee | MW EST EMCJ PEM IEE-EMC |
| Conference Date | 2020-10-22 - 2020-10-23 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | EMCJ |
| Conference Code | 2020-10-MW-EST-EMCJ-PEM-EMC |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Fabrication of Broadband Folded Long-Hexagon Antenna and its Characteristic Measurement (2) |
| Sub Title (in English) | |
| Keyword(1) | folded rhombic antenna |
| Keyword(2) | folded long-hexagon antenna |
| Keyword(3) | 3-antenna method |
| Keyword(4) | complex antenna factor |
| Keyword(5) | antenna gain |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Toshiya Ishizaki |
| 1st Author's Affiliation | Tohoku Gakuin University (TGU) |
| 2nd Author's Name | Kyo Kobayashi |
| 2nd Author's Affiliation | Tohoku Gakuin University (TGU) |
| 3rd Author's Name | Shinobu Ishigami |
| 3rd Author's Affiliation | Tohoku Gakuin University (TGU) |
| 4th Author's Name | Ken Kawamata |
| 4th Author's Affiliation | Tohoku Gakuin University (TGU) |
| 5th Author's Name | Katsushige Harima |
| 5th Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 6th Author's Name | Shingo Inori |
| 6th Author's Affiliation | Elena Electronics Co.Ltd. (Elena) |
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| Speaker | Author-1 |
| Date Time | 2020-10-22 11:50:00 |
| Presentation Time | 25 minutes |
| Registration for | EMCJ |
| Paper # | EMCJ2020-30, MW2020-44, EST2020-32 |
| Volume (vol) | vol.120 |
| Number (no) | no.199(EMCJ), no.200(MW), no.201(EST) |
| Page | pp.31-35 |
| #Pages | 5 |
| Date of Issue | 2020-10-15 (EMCJ, MW, EST) |
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