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| Presentation | 2013-03-07 10:35 Ku/Ka-Band Wideband Waveguide Orthomode Junction with Low Pass Filters for High Power Applications Hidenori Yukawa (Mitsubishi Electric Corp.), Ryosuke Kobayashi (Mitsubishi Electric Engineering Co. Ltd.), Koji Yoshida, Tomohiro Mizuno, Tetsu Owada, Moriyasu Miyazaki (Mitsubishi Electric Corp.)  MW2012-171 Link to ES Tech. Rep. Archives: MW2012-171 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Waveguide orthomode junction (OMJ) is one of key components of antenna feed systems for satellite communication. It works in two frequency bands to separate or combine vertical- or horizontal- linear polarizations or left- or right- circular polarizations. It can be used for relatively high power applications compared to other type of orthmode transducers. However, selection of dimensions in the coupling section for high power capability often limits the operating bandwidth. To address this problem, we propose a compact wideband orthomode junction comprised of matching structures around the coupling section with low pass filters. It has coupling sections straddle a circular waveguide step and a matching element connected to the receive port. Proposed structure consists of milled layers to divide E-Plane of corrugated low pass filters is compact and can be easily manufactured. The measurements were performed including power handling test of 2kW. The measured results demonstrated a return loss of 21dB, isolation of 30dB, loss of 0.2dB in Ku/Ka-band. In this report, we show the design method and the measurement results. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Antenna feed systems / circular polarization / linear polarization / waveguide / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 112, no. 459, MW2012-171, pp. 63-68, March 2013. | |
| Paper # | MW2012-171 | |
| Date of Issue | 2013-02-27 (MW) | |
| 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 | MW2012-171 Link to ES Tech. Rep. Archives: MW2012-171 |
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| Conference Information | |
| Committee | MW |
| Conference Date | 2013-03-06 - 2013-03-08 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Hiroshima Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Microwave Technologies |
| Paper Information | |
| Registration To | MW |
| Conference Code | 2013-03-MW |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Ku/Ka-Band Wideband Waveguide Orthomode Junction with Low Pass Filters for High Power Applications |
| Sub Title (in English) | |
| Keyword(1) | Antenna feed systems |
| Keyword(2) | circular polarization |
| Keyword(3) | linear polarization |
| Keyword(4) | waveguide |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Hidenori Yukawa |
| 1st Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric Corp.) |
| 2nd Author's Name | Ryosuke Kobayashi |
| 2nd Author's Affiliation | Mitsubishi Electric Engineering Company Limited (Mitsubishi Electric Engineering Co. Ltd.) |
| 3rd Author's Name | Koji Yoshida |
| 3rd Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric Corp.) |
| 4th Author's Name | Tomohiro Mizuno |
| 4th Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric Corp.) |
| 5th Author's Name | Tetsu Owada |
| 5th Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric Corp.) |
| 6th Author's Name | Moriyasu Miyazaki |
| 6th Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric Corp.) |
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| Speaker | Author-1 |
| Date Time | 2013-03-07 10:35:00 |
| Presentation Time | 25 minutes |
| Registration for | MW |
| Paper # | MW2012-171 |
| Volume (vol) | vol.112 |
| Number (no) | no.459 |
| Page | pp.63-68 |
| #Pages | 6 |
| Date of Issue | 2013-02-27 (MW) |
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