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| Presentation | 2020-03-05 10:55 Inductor-less Active Directional Coupler Takanobu Fujiwara, Tatsuya Hagiwara, Masaomi Tsuru (MELCO)  MW2019-141 Link to ES Tech. Rep. Archives: MW2019-141 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In order to miniturize the directional coupler, one of the best option is to use inductors and capacitors instead of coupling quater length transmission line. Nethertheless when the target frequency of directioal coupler gets lower, required inductance and/or capacitance become too large where it makes impossible to integrate all the components into small die area. This report proposes design and evaluation results of Inductor-less active directional coupler composed of resistor and voltage-mode amplifier instead of quater wave-length transmission line or inductors and capacitors. An active directional coupler was fabricated using 3.3V bulk-CMOS process. Its operating frequency ranges from DC to 100MHz. The fabricated chip size is small as 120um x 80um, and measured directivity was more than 61 dB at the frequency range from DC to 1MHz. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Directional Coupler / Miniturization / / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 119, no. 459, MW2019-141, pp. 5-9, March 2020. | |
| Paper # | MW2019-141 | |
| Date of Issue | 2020-02-27 (MW) | |
| 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 | MW2019-141 Link to ES Tech. Rep. Archives: MW2019-141 |
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| Conference Information | |
| Committee | MW |
| Conference Date | 2020-03-05 - 2020-03-06 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kochi City Culture-Plaza CUL=PORT |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Microwave Technologies |
| Paper Information | |
| Registration To | MW |
| Conference Code | 2020-03-MW |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Inductor-less Active Directional Coupler |
| Sub Title (in English) | |
| Keyword(1) | Directional Coupler |
| Keyword(2) | Miniturization |
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| 1st Author's Name | Takanobu Fujiwara |
| 1st Author's Affiliation | Mitsubishi Electric Corporation (MELCO) |
| 2nd Author's Name | Tatsuya Hagiwara |
| 2nd Author's Affiliation | Mitsubishi Electric Corporation (MELCO) |
| 3rd Author's Name | Masaomi Tsuru |
| 3rd Author's Affiliation | Mitsubishi Electric Corporation (MELCO) |
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| Speaker | Author-1 |
| Date Time | 2020-03-05 10:55:00 |
| Presentation Time | 25 minutes |
| Registration for | MW |
| Paper # | MW2019-141 |
| Volume (vol) | vol.119 |
| Number (no) | no.459 |
| Page | pp.5-9 |
| #Pages | 5 |
| Date of Issue | 2020-02-27 (MW) |
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