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| Presentation | 2019-01-17 10:00 Development of Electromagnetically-Coupled Half-Wavelength Resonator Filter Ayaka Shimizu, Toshio Ishizaki (Ryukoku Univ.)  ED2018-70 MW2018-137 Link to ES Tech. Rep. Archives: ED2018-70 MW2018-137 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In recent years, miniaturization and high performance of base station filters are regarded as important. In a filter, by forming attenuation poles in the vicinity of pass band, attenuation outside the pass band becomes steep and high selectivity is obtained. As a result, it is possible to create a filter having equivalent performance with a smaller number of stages. Thus, filter can be miniaturized. This time, we investigated a filter that generates multiple attenuation poles using a coupled-line half-wavelength resonator. Conventional filters often form attenuation poles by cross-coupling, but this filter creates attenuation poles by utilizing electromagnetic coupling between resonators. In this report, the design method of electromagnetically-coupled half-wavelength resonator filter is explained, and the design examples and the prototype filters with concrete filter specifications are shown to demonstrate the effectiveness of this filter. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Base-station filter / Attenuation pole / Half-wavelength / Coupled-resonator / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 118, no. 403, MW2018-137, pp. 7-12, Jan. 2019. | |
| Paper # | MW2018-137 | |
| Date of Issue | 2019-01-10 (ED, 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 | ED2018-70 MW2018-137 Link to ES Tech. Rep. Archives: ED2018-70 MW2018-137 |
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| Conference Information | |
| Committee | MW ED |
| Conference Date | 2019-01-17 - 2019-01-18 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Hitachi, Central Research Lab. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Compound semiconductor, High speed and High frequency devices/Microwave technologies |
| Paper Information | |
| Registration To | MW |
| Conference Code | 2019-01-MW-ED |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Development of Electromagnetically-Coupled Half-Wavelength Resonator Filter |
| Sub Title (in English) | |
| Keyword(1) | Base-station filter |
| Keyword(2) | Attenuation pole |
| Keyword(3) | Half-wavelength |
| Keyword(4) | Coupled-resonator |
| Keyword(5) | |
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| Keyword(8) | |
| 1st Author's Name | Ayaka Shimizu |
| 1st Author's Affiliation | Ryukoku University (Ryukoku Univ.) |
| 2nd Author's Name | Toshio Ishizaki |
| 2nd Author's Affiliation | Ryukoku University (Ryukoku Univ.) |
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| Speaker | Author-1 |
| Date Time | 2019-01-17 10:00:00 |
| Presentation Time | 25 minutes |
| Registration for | MW |
| Paper # | ED2018-70, MW2018-137 |
| Volume (vol) | vol.118 |
| Number (no) | no.402(ED), no.403(MW) |
| Page | pp.7-12 |
| #Pages | 6 |
| Date of Issue | 2019-01-10 (ED, MW) |
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