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| Presentation | 2023-01-27 16:00 Ultrawideband Absorptive Common-mode Microstrip Line Filter Based on Resistive Defected Ground Structure Akihiro Narushima, Koji Wada, Fengchao Xiao (UEC)  CAS2022-92 ICTSSL2022-56 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In this study, we propose a bidirectional absorptive common-mode filter(A-CMF) with ultrawideband characteristics by using a defected ground structure(DGS) that suppresses the influence on differential-mode(DM). It is difficult to suppress the common-mode(CM) at high frequencies and in a wide bandwidth while suppressing the influence on the DM, and in particular, a CMF that can be applied to frequency bands above 15 GHz has not been studied so far. In addition, an A-CMF that consumes the CM power in the filter, rather than a reflective CMF that returns the CM waves to the input side, has begun to be considered in recent years. Therefore, we propose a new structure that suppresses the influence on DM around 20 GHz by modifying the DGS that has been studied so far. The effectiveness of the proposed structure as an A-CMF is demonstrated by combining the proposed structure with a DGS that has a very different resonant frequency and is loaded with a resistor. Furthermore, by combining several DGSs with different resonance frequencies, an ultrawideband bidirectional A-CMF with 10 dB attenuation of CM and less than 1 dB attenuation of DM over a wide frequency band from 2.5 GHz to 20 GHz was designed, evaluated, and compared with previous studies. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Absorptive common-mode filter (A-CMF) / Common-mode (CM) noise / Defected ground structure(DGS) / Differential- mode (DM) signal / Microstrip line / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 122, no. 360, CAS2022-92, pp. 145-150, Jan. 2023. | |
| Paper # | CAS2022-92 | |
| Date of Issue | 2023-01-19 (CAS, ICTSSL) | |
| 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 | CAS2022-92 ICTSSL2022-56 |
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| Conference Information | |
| Committee | ICTSSL CAS |
| Conference Date | 2023-01-26 - 2023-01-27 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | TBD |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Student Session, General Session |
| Paper Information | |
| Registration To | CAS |
| Conference Code | 2023-01-ICTSSL-CAS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Ultrawideband Absorptive Common-mode Microstrip Line Filter Based on Resistive Defected Ground Structure |
| Sub Title (in English) | |
| Keyword(1) | Absorptive common-mode filter (A-CMF) |
| Keyword(2) | Common-mode (CM) noise |
| Keyword(3) | Defected ground structure(DGS) |
| Keyword(4) | Differential- mode (DM) signal |
| Keyword(5) | Microstrip line |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Akihiro Narushima |
| 1st Author's Affiliation | the University of Electro-Communications (UEC) |
| 2nd Author's Name | Koji Wada |
| 2nd Author's Affiliation | the University of Electro-Communications (UEC) |
| 3rd Author's Name | Fengchao Xiao |
| 3rd Author's Affiliation | the University of Electro-Communications (UEC) |
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| Speaker | Author-1 |
| Date Time | 2023-01-27 16:00:00 |
| Presentation Time | 20 minutes |
| Registration for | CAS |
| Paper # | CAS2022-92, ICTSSL2022-56 |
| Volume (vol) | vol.122 |
| Number (no) | no.360(CAS), no.361(ICTSSL) |
| Page | pp.145-150 |
| #Pages | 6 |
| Date of Issue | 2023-01-19 (CAS, ICTSSL) |
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