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| Presentation | 2022-03-03 09:55 Feasibility Study Results of Wideband Polarization Networks for Multi Band Coaxial Horn Antenna Hidenori Yukawa, Hiromasa Nakajima, Shuji Nuimura, Toru Fukasawa, Yoshio Inasawa (Mitsubishi Ele. Corp.)  MW2021-113 Link to ES Tech. Rep. Archives: MW2021-113 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | A polarization networks for a coaxial multi-frequency band horn antenna can individually configure the circuit of each frequency band without filters, so it is thought that it will be advantageous to reduce the size, compared to the circuit where the polarization of multiple frequency bands is transmitted and separated in one waveguide. However, since the TEM mode propagates in the low frequency band circuit, it is needed to separate the TEM mode. Here, we report on a low-frequency band right / left-handed circularly polarization networks for a coaxial horn antenna. As the circuit components, we selected one turnstile OMT, two H-plane cross couplers, and two magic-Ts. The features are that better polarization separation characteristics can be obtained compared to the conventional configuration using a 90-degree phase shift circuit, and the size can be reduced because the adjacent terminals of the turnstile OMT are combined. For the turnstile OMT, the amount of corner cut of the bend to be loaded was optimized to widen the bandwidth. The design results in the S band demonstrated a return loss of 20 dB and a loss of 0.15 dB (assuming aluminum). | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Polarization networks / Coaxial / Waveguide / OMT / Coupler / Magic T / / | |
| Reference Info. | IEICE Tech. Rep., vol. 121, no. 400, MW2021-113, pp. 12-17, March 2022. | |
| Paper # | MW2021-113 | |
| Date of Issue | 2022-02-24 (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 | MW2021-113 Link to ES Tech. Rep. Archives: MW2021-113 |
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| Conference Information | |
| Committee | MW |
| Conference Date | 2022-03-03 - 2022-03-04 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Microwave, etc. |
| Paper Information | |
| Registration To | MW |
| Conference Code | 2022-03-MW |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Feasibility Study Results of Wideband Polarization Networks for Multi Band Coaxial Horn Antenna |
| Sub Title (in English) | |
| Keyword(1) | Polarization networks |
| Keyword(2) | Coaxial |
| Keyword(3) | Waveguide |
| Keyword(4) | OMT |
| Keyword(5) | Coupler |
| Keyword(6) | Magic T |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Hidenori Yukawa |
| 1st Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Ele. Corp.) |
| 2nd Author's Name | Hiromasa Nakajima |
| 2nd Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Ele. Corp.) |
| 3rd Author's Name | Shuji Nuimura |
| 3rd Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Ele. Corp.) |
| 4th Author's Name | Toru Fukasawa |
| 4th Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Ele. Corp.) |
| 5th Author's Name | Yoshio Inasawa |
| 5th Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Ele. Corp.) |
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| Speaker | Author-1 |
| Date Time | 2022-03-03 09:55:00 |
| Presentation Time | 20 minutes |
| Registration for | MW |
| Paper # | MW2021-113 |
| Volume (vol) | vol.121 |
| Number (no) | no.400 |
| Page | pp.12-17 |
| #Pages | 6 |
| Date of Issue | 2022-02-24 (MW) |
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