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| Presentation | 2020-05-15 14:00 Suppression of Mode Conversion Using Asymmetric Differential-Transmission Lines for Dense Parallel Traces Tomoya Takeuchi, Yoshitaka Toyota, Kengo Iokibe (Okayama Univ)  EMCJ2020-6 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Although symmetry is important for differential-transmission lines, the denser the wiring gets, the more the adjacent conductors affect the transmission characteristics. The dense parallel traces easily break the symmetry due to the electromagnetic coupling with the adjacent conductor placed only on one side, leading to mode conversion. In this paper, we propose an asymmetric geometry of differential-transmission lines placed on the side of no adjacent conductor to suppress mode conversion and maintain signal integrity. As a result, it was found that mode conversion in the straight parallel traces is successfully suppressed by approximately 5 dB compared to the conventional symmetric structure. On the other hand, the asymmetric geometry successfully suppressed mode conversion in the tightly coupled parallel traces with a bend, whereas the tightly coupled asymmetrically tapered bend we had so far proposed successfully suppressed mode conversion in the loosely coupled parallel traces with a bend. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | differential-transmission lines / mode conversion / mixed-mode S parameters / asymmetric geometry / symmetric taper / dense parallel traces / / | |
| Reference Info. | IEICE Tech. Rep., vol. 120, no. 20, EMCJ2020-6, pp. 7-13, May 2020. | |
| Paper # | EMCJ2020-6 | |
| Date of Issue | 2020-05-08 (EMCJ) | |
| 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 | EMCJ2020-6 |
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| Conference Information | |
| Committee | EMCJ |
| Conference Date | 2020-05-15 - 2020-05-15 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | EMC |
| Paper Information | |
| Registration To | EMCJ |
| Conference Code | 2020-05-EMCJ |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Suppression of Mode Conversion Using Asymmetric Differential-Transmission Lines for Dense Parallel Traces |
| Sub Title (in English) | |
| Keyword(1) | differential-transmission lines |
| Keyword(2) | mode conversion |
| Keyword(3) | mixed-mode S parameters |
| Keyword(4) | asymmetric geometry |
| Keyword(5) | symmetric taper |
| Keyword(6) | dense parallel traces |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Tomoya Takeuchi |
| 1st Author's Affiliation | Okayama University (Okayama Univ) |
| 2nd Author's Name | Yoshitaka Toyota |
| 2nd Author's Affiliation | Okayama University (Okayama Univ) |
| 3rd Author's Name | Kengo Iokibe |
| 3rd Author's Affiliation | Okayama University (Okayama Univ) |
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| Speaker | Author-1 |
| Date Time | 2020-05-15 14:00:00 |
| Presentation Time | 25 minutes |
| Registration for | EMCJ |
| Paper # | EMCJ2020-6 |
| Volume (vol) | vol.120 |
| Number (no) | no.20 |
| Page | pp.7-13 |
| #Pages | 7 |
| Date of Issue | 2020-05-08 (EMCJ) |
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