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| Presentation | 2021-06-11 14:00 Electromagnetic field analysis of common mode excitation measurement system in signal connector with incomplete ground connection Shotaro Tanaka, Tohlu Matsushima, Yuki Fukumoto (kyutech)  EMCJ2021-12 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Electromagnetic interference (EMI) due to common mode current generated from high-speed digital circuits on printed circuit boards (PCB) and connectors to attach a cable is one EMI issue in board design, and it is necessary to evaluate the superiority or inferiority of connectors. In order to evaluate the superiority or inferiority of a connector, the strength of radiated electric field is generally measured in an anechoic chamber, however it is costly and time consuming. In this report, therefore, the authors propose a simple measuring jig that can evaluate the common mode radiation of the connector without using an anechoic chamber. Using the electromagnetic field simulation, a measuring jig was modelized and the common mode radiation generated from the connector connecting the PCB and the coaxial cable was simulated. When the common mode radiation obtained from the measurement system and the amount of radiated electric field directly obtained from the circuit board were compared, they matched with an maximum error of 1 dB. Therefor it was found that the compatibility between the connector and the cable can be evaluated using the proposed measurement system. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Common mode excitation amount / common mode radiation / coaxial cable / S-parameters / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 121, no. 63, EMCJ2021-12, pp. 7-12, June 2021. | |
| Paper # | EMCJ2021-12 | |
| Date of Issue | 2021-06-04 (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 | EMCJ2021-12 |
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| Conference Information | |
| Committee | EMCJ |
| Conference Date | 2021-06-11 - 2021-06-11 |
| 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 | 2021-06-EMCJ |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Electromagnetic field analysis of common mode excitation measurement system in signal connector with incomplete ground connection |
| Sub Title (in English) | |
| Keyword(1) | Common mode excitation amount |
| Keyword(2) | common mode radiation |
| Keyword(3) | coaxial cable |
| Keyword(4) | S-parameters |
| Keyword(5) | |
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| Keyword(8) | |
| 1st Author's Name | Shotaro Tanaka |
| 1st Author's Affiliation | Kyushu Institute of Technology (kyutech) |
| 2nd Author's Name | Tohlu Matsushima |
| 2nd Author's Affiliation | Kyushu Institute of Technology (kyutech) |
| 3rd Author's Name | Yuki Fukumoto |
| 3rd Author's Affiliation | Kyushu Institute of Technology (kyutech) |
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| Speaker | Author-1 |
| Date Time | 2021-06-11 14:00:00 |
| Presentation Time | 25 minutes |
| Registration for | EMCJ |
| Paper # | EMCJ2021-12 |
| Volume (vol) | vol.121 |
| Number (no) | no.63 |
| Page | pp.7-12 |
| #Pages | 6 |
| Date of Issue | 2021-06-04 (EMCJ) |
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