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| Presentation | 2020-03-06 15:10 FDTD Analysis of Transmission Characteristic for the Various Differential Line Patterns Masakazu Akahane, Ren Kitahara (NIT Nagano Collage), Taiki Yamagiwa (UEC), Kasuga Takashi (NIT Nagano Collage)  EMD2019-66 Link to ES Tech. Rep. Archives: EMD2019-66 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In recent years, the clock frequency of signals has been used in the GHz band for high-speed processing of large volumes of data such as PCs, smartphones, and information devices, and parallel differential lines have been used for signal wiring. For the parallel lines, meander patterns that bend the wiring to match the wiring length are used. In this study, to create the database of line patter used in board design, the transmission characteristics of meander patterns are analyzed. The model in which the distance between the straight line and the edge of the board is changed, the model in which the number of meanders is changed, and the model in which the number of meanders and the amount of bending are changed are analyzed. The transmission characteristics of the straight line agreed between the experiment and the analysis. When the distance between the line and the board edge is reduced, Sdd21 does not change and Scd21 increased. When comparing the straight line and the meander line, the attenuation of the meander line Sdd21 increases at frequencies higher than 13.5 GHz, and the common mode conversion of the Scd21 increases in all frequency bands. When the number of meanders was increased, the signal attenuation increased. When the bending length of the meanders pattern is increased, the signal attenuation increased. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Meander patters / Transmission characteristics / FDTD method / Complex permittivity / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 119, no. 466, EMD2019-66, pp. 37-41, March 2020. | |
| Paper # | EMD2019-66 | |
| Date of Issue | 2020-02-28 (EMD) | |
| 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 | EMD2019-66 Link to ES Tech. Rep. Archives: EMD2019-66 |
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| Conference Information | |
| Committee | EMD |
| Conference Date | 2020-03-06 - 2020-03-06 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | CHIBA Institute of Technology Tsudanuma Campus |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Short NOTE |
| Paper Information | |
| Registration To | EMD |
| Conference Code | 2020-03-EMD |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | FDTD Analysis of Transmission Characteristic for the Various Differential Line Patterns |
| Sub Title (in English) | |
| Keyword(1) | Meander patters |
| Keyword(2) | Transmission characteristics |
| Keyword(3) | FDTD method |
| Keyword(4) | Complex permittivity |
| Keyword(5) | |
| Keyword(6) | |
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| Keyword(8) | |
| 1st Author's Name | Masakazu Akahane |
| 1st Author's Affiliation | National Institute of Technology Nagano College (NIT Nagano Collage) |
| 2nd Author's Name | Ren Kitahara |
| 2nd Author's Affiliation | National Institute of Technology Nagano College (NIT Nagano Collage) |
| 3rd Author's Name | Taiki Yamagiwa |
| 3rd Author's Affiliation | The University of Electro-Communications (UEC) |
| 4th Author's Name | Kasuga Takashi |
| 4th Author's Affiliation | National Institute of Technology Nagano College (NIT Nagano Collage) |
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| Speaker | Author-1 |
| Date Time | 2020-03-06 15:10:00 |
| Presentation Time | 15 minutes |
| Registration for | EMD |
| Paper # | EMD2019-66 |
| Volume (vol) | vol.119 |
| Number (no) | no.466 |
| Page | pp.37-41 |
| #Pages | 5 |
| Date of Issue | 2020-02-28 (EMD) |
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