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| Presentation | 2022-11-17 14:15 Evaluation of Theoretical Formula for Inter-band Level Deviation in DAC Bandwidth Tripler Hayato Ishii (Tokyo Univ. of Science), KeisuKeisuke Kawahara (Yokohama National Univ.), Yohtaro Umeda, koyoya Takano (Tokyo Univ. of Science)  CAS2022-40 MSS2022-23 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | For wider bandwidth of optical transmitter circuit, DAC Bandwidth Tripler that extends the bandwidth of broadband digital to analog converters(DAC) three times is proposed. But there is inter-band level deviation between Low-band and Mid (or High)-band made by dividing bandwidth into three in Analog Multiplexer(AMUX) that is circuit for band synthesis processing, so it is causes of signal degradation. On the other hand, in this Paper, we proposed a new theoretical formula that decide inter-band level deviation ratio and evaluate it by simulation. As a result, a calculation result with formula we proposed showed a good value in comparison with inter-band level deviation ratio is obtained by simulation. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | digital to analog converters / Bandwidth multiplication / optical transmitter / Analog Multiplexer / inter-band level / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 122, no. 253, CAS2022-40, pp. 19-24, Nov. 2022. | |
| Paper # | CAS2022-40 | |
| Date of Issue | 2022-11-10 (CAS, MSS) | |
| 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 | CAS2022-40 MSS2022-23 |
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| Conference Information | |
| Committee | CAS MSS IPSJ-AL |
| Conference Date | 2022-11-17 - 2022-11-18 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | CAS |
| Conference Code | 2022-11-CAS-MSS-AL |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Evaluation of Theoretical Formula for Inter-band Level Deviation in DAC Bandwidth Tripler |
| Sub Title (in English) | |
| Keyword(1) | digital to analog converters |
| Keyword(2) | Bandwidth multiplication |
| Keyword(3) | optical transmitter |
| Keyword(4) | Analog Multiplexer |
| Keyword(5) | inter-band level |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Hayato Ishii |
| 1st Author's Affiliation | Tokyo University of Science (Tokyo Univ. of Science) |
| 2nd Author's Name | KeisuKeisuke Kawahara |
| 2nd Author's Affiliation | Yokohama National University (Yokohama National Univ.) |
| 3rd Author's Name | Yohtaro Umeda |
| 3rd Author's Affiliation | Tokyo University of Science (Tokyo Univ. of Science) |
| 4th Author's Name | koyoya Takano |
| 4th Author's Affiliation | Tokyo University of Science (Tokyo Univ. of Science) |
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| Speaker | Author-1 |
| Date Time | 2022-11-17 14:15:00 |
| Presentation Time | 20 minutes |
| Registration for | CAS |
| Paper # | CAS2022-40, MSS2022-23 |
| Volume (vol) | vol.122 |
| Number (no) | no.253(CAS), no.254(MSS) |
| Page | pp.19-24 |
| #Pages | 6 |
| Date of Issue | 2022-11-10 (CAS, MSS) |
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