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| Presentation | 2020-03-13 16:30 An Attempt of Error Term Reduction for Cross-Coupled-Transistor-Type Negative Impedance Converter for the Performance Improvement of Common-Mode Current Suppressor Soichiro Kudo, Nishikata Atsuhiro, Soichiro Kudo (Tokyo Tech)  EMCJ2019-96 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Previously, a device for actively suppressing the common mode current was proposed, and a configuration using a cross-coupled transistor was proposed for higher operation speed. This device is based on the principle that the sign of the impedance of the reference ferrite core is inverted and loaded on the secondary winding of the suppression ferrite core, so that the primary winding's impedance of the suppression ferrite core diverges to infinity. However, there is an error term in the negative impedance converter using the cross-coupled transistor. In this report, to reduce the error term, we tried the insertion of a diode-connected transistor, the use of Darlington connection.Also, based on the measurement result of transistor characteristic difference, we investigated the influence of transistor imbalance, effect of selecting the optimal combination, etc. We tried to eliminate the bistable operation and reduce the error term by the method described above, and aimed at improving the common mode suppression performance. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Common mode / Ferrite core / Negative Impedance Converter / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 119, no. 479, EMCJ2019-96, pp. 21-26, March 2020. | |
| Paper # | EMCJ2019-96 | |
| Date of Issue | 2020-03-06 (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 | EMCJ2019-96 |
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| Conference Information | |
| Committee | EMCJ MICT |
| Conference Date | 2020-03-13 - 2020-03-13 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kikai-Shinko-Kaikan Bldg. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | EMCJ |
| Conference Code | 2020-03-EMCJ-MICT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | An Attempt of Error Term Reduction for Cross-Coupled-Transistor-Type Negative Impedance Converter for the Performance Improvement of Common-Mode Current Suppressor |
| Sub Title (in English) | |
| Keyword(1) | Common mode |
| Keyword(2) | Ferrite core |
| Keyword(3) | Negative Impedance Converter |
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| 1st Author's Name | Soichiro Kudo |
| 1st Author's Affiliation | Tokyo Insitute of Technology (Tokyo Tech) |
| 2nd Author's Name | Nishikata Atsuhiro |
| 2nd Author's Affiliation | Tokyo Insitute of Technology (Tokyo Tech) |
| 3rd Author's Name | Soichiro Kudo |
| 3rd Author's Affiliation | Tokyo Insitute of Technology (Tokyo Tech) |
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| Speaker | Author-1 |
| Date Time | 2020-03-13 16:30:00 |
| Presentation Time | 25 minutes |
| Registration for | EMCJ |
| Paper # | EMCJ2019-96 |
| Volume (vol) | vol.119 |
| Number (no) | no.479 |
| Page | pp.21-26 |
| #Pages | 6 |
| Date of Issue | 2020-03-06 (EMCJ) |
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