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| Presentation | 2020-11-19 15:00 Theoretical Design of Wideband Bandpass Filter with Transmission Zeroes Hang Sun, Chun-Ping Chen, Erika Katsuno, Hao Wu, Tetsuo Anada (Kanagawa Univ.)  MW2020-69 Link to ES Tech. Rep. Archives: MW2020-69 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This paper proposes a quasi-elliptical wideband filter with steep skirt characteristics by combining short-circuited-stub-loaded-parallel-coupled-lines and open-circuited stubs, as well as the corresponding design theory. First, we design a Chebyshev-type wideband bandpass filter consisting of short-circuit stubs, a parallel coupling line, and short-circuited-stub-loaded-parallel-coupled-lines, based on synthesis theory. Next, by replacing two-stage open-circuited-stubs with short-circuited-stubs at the input-/output-ports, two attenuation poles are realized in the stopbands near the cutoff frequencies. As a result, steeper roll-off characteristics are obtained. To confirm the proposed design theory, as a practical example, a wideband bandpass filter with a fractional bandwidth of 38% is designed, fabricated and measured. Simulation, measurement and theoretical results agree well with each other, which validates the effectiveness of the proposed filter structures and corresponding synthesis theory. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Short/open-circuited-stubs / Parallel-coupled-lines / Wideband / Bandpass filters / Transmission zeroes / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 120, no. 240, MW2020-69, pp. 23-28, Nov. 2020. | |
| Paper # | MW2020-69 | |
| Date of Issue | 2020-11-12 (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 | MW2020-69 Link to ES Tech. Rep. Archives: MW2020-69 |
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| Conference Information | |
| Committee | MW |
| Conference Date | 2020-11-19 - 2020-11-19 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | MW |
| Conference Code | 2020-11-MW |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Theoretical Design of Wideband Bandpass Filter with Transmission Zeroes |
| Sub Title (in English) | |
| Keyword(1) | Short/open-circuited-stubs |
| Keyword(2) | Parallel-coupled-lines |
| Keyword(3) | Wideband |
| Keyword(4) | Bandpass filters |
| Keyword(5) | Transmission zeroes |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Hang Sun |
| 1st Author's Affiliation | Kanagawa University (Kanagawa Univ.) |
| 2nd Author's Name | Chun-Ping Chen |
| 2nd Author's Affiliation | Kanagawa University (Kanagawa Univ.) |
| 3rd Author's Name | Erika Katsuno |
| 3rd Author's Affiliation | Kanagawa University (Kanagawa Univ.) |
| 4th Author's Name | Hao Wu |
| 4th Author's Affiliation | Kanagawa University (Kanagawa Univ.) |
| 5th Author's Name | Tetsuo Anada |
| 5th Author's Affiliation | Kanagawa University (Kanagawa Univ.) |
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| Speaker | Author-1 |
| Date Time | 2020-11-19 15:00:00 |
| Presentation Time | 25 minutes |
| Registration for | MW |
| Paper # | MW2020-69 |
| Volume (vol) | vol.120 |
| Number (no) | no.240 |
| Page | pp.23-28 |
| #Pages | 6 |
| Date of Issue | 2020-11-12 (MW) |
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