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| Presentation | 2019-11-15 10:20 On the Relationship between Direct Source/Load Coupling and Higher-order Resonances in Microwave Bandpass Filter Masataka Ohira, Ryo Mikase, Zhewang Ma (Saitama Univ.)  MW2019-113 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | It is well known that a direct source/load coupling contributes to the generation of transmission zeros at stopbands in bandpass filters. The direct source/load coupling, as suggested by the name, represents the amount of coupling when the input port (line) and output port (line) are directly coupled, but we should note that it is not always the case. It is theoretically pointed out that higher-order resonances also contribute to the direct source/load coupling. However, such a physical mechanism has not been quantitatively evaluated yet. In this paper, it is clarified by quantitative evaluations with a coupling-matrix extraction technique that the direct source/load coupling and its sign are mainly determined by higher-order resonances of resonators in a microstrip bandpass filter, as an example. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | bandpass filter / direct source/load coupling / resonance / coupling matrix / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 119, no. 292, MW2019-113, pp. 77-80, Nov. 2019. | |
| Paper # | MW2019-113 | |
| Date of Issue | 2019-11-07 (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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | MW2019-113 |
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| Conference Information | |
| Committee | MW |
| Conference Date | 2019-11-14 - 2019-11-15 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Minami Daido Villa. Tamokuteki Koryu Center |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Microwave Technologies |
| Paper Information | |
| Registration To | MW |
| Conference Code | 2019-11-MW |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | On the Relationship between Direct Source/Load Coupling and Higher-order Resonances in Microwave Bandpass Filter |
| Sub Title (in English) | |
| Keyword(1) | bandpass filter |
| Keyword(2) | direct source/load coupling |
| Keyword(3) | resonance |
| Keyword(4) | coupling matrix |
| Keyword(5) | |
| Keyword(6) | |
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| Keyword(8) | |
| 1st Author's Name | Masataka Ohira |
| 1st Author's Affiliation | Saitama Univercity (Saitama Univ.) |
| 2nd Author's Name | Ryo Mikase |
| 2nd Author's Affiliation | Saitama Univercity (Saitama Univ.) |
| 3rd Author's Name | Zhewang Ma |
| 3rd Author's Affiliation | Saitama Univercity (Saitama Univ.) |
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| Speaker | 2 |
| Date Time | 2019-11-15 10:20:00 |
| Presentation Time | 25 |
| Registration for | MW |
| Paper # | IEICE-MW2019-113 |
| Volume (vol) | IEICE-119 |
| Number (no) | no.292 |
| Page | pp.77-80 |
| #Pages | IEICE-4 |
| Date of Issue | IEICE-MW-2019-11-07 |
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