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| Presentation | 2013-07-11 14:00 A Study on Transformed Common-mode from Differential-mode for Differential Transmission Line with components Ayumi Mothashi, Fujiyuki Nakamoto, Yuichi Sasaki, Naoto Oka, Hideyuki Oh-hashi (Mitsubishi Electric Corp.)  EMCJ2013-33 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Recently, the high-speed differential interface such as Ethernet is widely used as a line-structure with low radiated noise and high noise immunity. Though high structural balance is usually required to improve these performances, degradation of the balance may often occur from asymmetry of the structure. In that case, some of differential-mode signal is transformed to common-mode, which may often causes increase of radiated noise from the differential transmission line. It is therefore important to reduce the ratio of transformed common-mode to differential-mode (Scd21) in the design stage to suppress the radiated noise. In this paper, the capacitance model is used for modeling of components. In calculation, Scd21 can be expressed as difference between capacities connected with each differential transmission line. Calculation and measurement results of Scd21 are shown. The results showed good agreement, and would be applicable in EMC design of differential transmission lines. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | EMC / EMI / PCB / differential transmission line / mode transformation / radiated noise suppression / mixed mode S-parameters / capacitance model | |
| Reference Info. | IEICE Tech. Rep., vol. 113, no. 122, EMCJ2013-33, pp. 33-37, July 2013. | |
| Paper # | EMCJ2013-33 | |
| Date of Issue | 2013-07-04 (EMCJ) | |
| 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 | EMCJ2013-33 |
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| Conference Information | |
| Committee | EMCJ |
| Conference Date | 2013-07-11 - 2013-07-11 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kikai-Shinko-Kaikan Bldg. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Young Scientists meeting |
| Paper Information | |
| Registration To | EMCJ |
| Conference Code | 2013-07-EMCJ |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Study on Transformed Common-mode from Differential-mode for Differential Transmission Line with components |
| Sub Title (in English) | |
| Keyword(1) | EMC |
| Keyword(2) | EMI |
| Keyword(3) | PCB |
| Keyword(4) | differential transmission line |
| Keyword(5) | mode transformation |
| Keyword(6) | radiated noise suppression |
| Keyword(7) | mixed mode S-parameters |
| Keyword(8) | capacitance model |
| 1st Author's Name | Ayumi Mothashi |
| 1st Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric Corp.) |
| 2nd Author's Name | Fujiyuki Nakamoto |
| 2nd Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric Corp.) |
| 3rd Author's Name | Yuichi Sasaki |
| 3rd Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric Corp.) |
| 4th Author's Name | Naoto Oka |
| 4th Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric Corp.) |
| 5th Author's Name | Hideyuki Oh-hashi |
| 5th Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric Corp.) |
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| Speaker | Author-1 |
| Date Time | 2013-07-11 14:00:00 |
| Presentation Time | 25 minutes |
| Registration for | EMCJ |
| Paper # | EMCJ2013-33 |
| Volume (vol) | vol.113 |
| Number (no) | no.122 |
| Page | pp.33-37 |
| #Pages | 5 |
| Date of Issue | 2013-07-04 (EMCJ) |
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