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| Presentation | 2011-10-21 09:00 A study of tunable coupled-line bandpass filters with attenuation poles under the use of RF switches Yoshiaki Takaoka (UEC), Norimasa Ishitobi (Sonnet Giken), Koji Wada (UEC)  MW2011-100 Link to ES Tech. Rep. Archives: MW2011-100 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In this paper, we propose bandpass filters (BPFs) which combined two or more coupled-lines, and assume use of high frequency switches. The transmission characteristics of the proposed BPFs are evaluated by using a circuit simulator and an electromagnetic simulator. We have confirmed that an attenuation pole is obtained at the lower side, the higher side or both sides near the passband by performing appropriately choice of open-circuited end /short-circuited end of the coupled-line, choice of location of the high frequency switches, capacitor loading and others. Furthermore, the experiment about one of the proposed BPFs based on microstrip line structure is carried out, and it compares with the result and simulation result. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Tunable bandpass filter / Coupled line / RF switch / Attenuation pole / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 111, no. 250, MW2011-100, pp. 79-82, Oct. 2011. | |
| Paper # | MW2011-100 | |
| Date of Issue | 2011-10-13 (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 | MW2011-100 Link to ES Tech. Rep. Archives: MW2011-100 |
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| Conference Information | |
| Committee | MW |
| Conference Date | 2011-10-20 - 2011-10-21 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | The University of Electro-Communications |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Microwave Technologies |
| Paper Information | |
| Registration To | MW |
| Conference Code | 2011-10-MW |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A study of tunable coupled-line bandpass filters with attenuation poles under the use of RF switches |
| Sub Title (in English) | |
| Keyword(1) | Tunable bandpass filter |
| Keyword(2) | Coupled line |
| Keyword(3) | RF switch |
| Keyword(4) | Attenuation pole |
| Keyword(5) | |
| Keyword(6) | |
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| Keyword(8) | |
| 1st Author's Name | Yoshiaki Takaoka |
| 1st Author's Affiliation | The University of Electro-Communications (UEC) |
| 2nd Author's Name | Norimasa Ishitobi |
| 2nd Author's Affiliation | Sonnet Giken Co.,Ltd. (Sonnet Giken) |
| 3rd Author's Name | Koji Wada |
| 3rd Author's Affiliation | The University of Electro-Communications (UEC) |
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| Speaker | Author-1 |
| Date Time | 2011-10-21 09:00:00 |
| Presentation Time | 25 minutes |
| Registration for | MW |
| Paper # | MW2011-100 |
| Volume (vol) | vol.111 |
| Number (no) | no.250 |
| Page | pp.79-82 |
| #Pages | 4 |
| Date of Issue | 2011-10-13 (MW) |
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