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| Presentation | 2015-12-17 14:50 Design of Broad-Band Bandpass Filters with Transmission Zeros Using Short-Circuited Transmission Line Stubs Ryuhi Hamano, Zhewang Ma, Masataka Ohira (Saitama Univ.), Chun-Ping Chen, Tetsuo Anada (Kanagawa Univ.)  MW2015-141 Link to ES Tech. Rep. Archives: MW2015-141 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Broadband bandpass filters (BPFs) using short-circuited stubs have a number of advantages, like rigorous synthesis theory for Chebyshev response, no coupling gaps with small gap-widths, and are thereby ease for fabrication. However, the filter size and insertion loss will become large if a high frequency selectivity is required, because the number of resonators of the filter will have to be increased since its Chebyshev response has no transmission zeros in the stopband. In this paper, with combined use of short-circuited stubs and a stepped-impedance open stub, a novel broadband BPF having multiple transmission zeros is proposed and its design method is developed. A BPF with a fractional bandwidth of 40% is designed and fabricated, and the measured filter response shows the desired wide passband with sharp skirt property, low-loss, and wide stopband formed by the designed multiple transmission zeros. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Broadband bandpass filters / transmission zeros / microstrip line / short stub / open stub / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 115, no. 372, MW2015-141, pp. 47-52, Dec. 2015. | |
| Paper # | MW2015-141 | |
| Date of Issue | 2015-12-10 (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 | MW2015-141 Link to ES Tech. Rep. Archives: MW2015-141 |
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| Conference Information | |
| Committee | MW |
| Conference Date | 2015-12-17 - 2015-12-18 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tokyo Univ. of Science |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Students Session / Microwave Technologies |
| Paper Information | |
| Registration To | MW |
| Conference Code | 2015-12-MW |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Design of Broad-Band Bandpass Filters with Transmission Zeros Using Short-Circuited Transmission Line Stubs |
| Sub Title (in English) | |
| Keyword(1) | Broadband bandpass filters |
| Keyword(2) | transmission zeros |
| Keyword(3) | microstrip line |
| Keyword(4) | short stub |
| Keyword(5) | open stub |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Ryuhi Hamano |
| 1st Author's Affiliation | Saitama University (Saitama Univ.) |
| 2nd Author's Name | Zhewang Ma |
| 2nd Author's Affiliation | Saitama Universit (Saitama Univ.) |
| 3rd Author's Name | Masataka Ohira |
| 3rd Author's Affiliation | Saitama Universit (Saitama Univ.) |
| 4th Author's Name | Chun-Ping Chen |
| 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 | 2015-12-17 14:50:00 |
| Presentation Time | 25 minutes |
| Registration for | MW |
| Paper # | MW2015-141 |
| Volume (vol) | vol.115 |
| Number (no) | no.372 |
| Page | pp.47-52 |
| #Pages | 6 |
| Date of Issue | 2015-12-10 (MW) |
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