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| Presentation | 2016-12-16 11:30 Design Method of Attenuation Poles for Electromagnetically-Coupled Half-Wavelength Resonator Filters Ayaka Shimizu, Toshio Ishizaki (Ryukoku Univ.)  MW2016-161 Link to ES Tech. Rep. Archives: MW2016-161 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Usually, duplexers used in base station consist of transmitting and receiving filters, both of which are 10- to 15-pole filters, respectively. However, volume of the duplexer occupies about half of small base station. Thus, miniaturization of the duplexer is strongly expected. By creating attenuation poles near passband, out-of-band attenuation becomes steep and high selectivity can be obtained. As a result, filter with a fewer number of pole can satisfy a required attenuation specification. Thus, filters become compact. The purpose of this study is to establish an analytical design method of attenuation pole for half-wavelength parallel-coupled resonator filters. It was confirmed by circuit simulation how attenuation pole frequencies were changed by respective connected capacitances between terminals of coupled resonators. Three attenuation poles were generated outside the passband and the frequencies of poles were controlled, successfully. Circuit equation of the filter was derived and attenuation pole frequencies were designed analytically. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Filters with Attenuation Poles / Half-Wavelength / Electromagnetic Coupling / Attenuation Frequencies / Base-Station / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 116, no. 363, MW2016-161, pp. 165-170, Dec. 2016. | |
| Paper # | MW2016-161 | |
| Date of Issue | 2016-12-08 (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 | MW2016-161 Link to ES Tech. Rep. Archives: MW2016-161 |
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| Conference Information | |
| Committee | MW |
| Conference Date | 2016-12-15 - 2016-12-16 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | National Defense Academy |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Students Session / Microwave Technologies |
| Paper Information | |
| Registration To | MW |
| Conference Code | 2016-12-MW |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Design Method of Attenuation Poles for Electromagnetically-Coupled Half-Wavelength Resonator Filters |
| Sub Title (in English) | |
| Keyword(1) | Filters with Attenuation Poles |
| Keyword(2) | Half-Wavelength |
| Keyword(3) | Electromagnetic Coupling |
| Keyword(4) | Attenuation Frequencies |
| Keyword(5) | Base-Station |
| Keyword(6) | |
| Keyword(7) | |
| 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 | 2016-12-16 11:30:00 |
| Presentation Time | 20 minutes |
| Registration for | MW |
| Paper # | MW2016-161 |
| Volume (vol) | vol.116 |
| Number (no) | no.363 |
| Page | pp.165-170 |
| #Pages | 6 |
| Date of Issue | 2016-12-08 (MW) |
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