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| Presentation | 2017-12-14 10:40 Performance Analysis of Level-Cross Detection Method based on Stochastic Comparator Taiki Sugiyama, Tetsuya Iizuka (Univ. of Tokyo), Takahiro Yamaguchi (Advantest), Toru Nakura, Kunihiro Asada (Univ. of Tokyo)  CAS2017-66 ICD2017-54 CPSY2017-63 Link to ES Tech. Rep. Archives: ICD2017-54 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | ADC based on level-cross detection quantizes time rather than voltage. When the clock frequency is doubled, SNR of ADC improves 3dB whereas that of level-crossing ADC improves 6dB. Therefore, level-crossing ADC benefits more from fine time resolution in scaled technologies. A stochastic comparator that drives multiple comparators in parallel is proposed to improve both voltage and time resolutions by utilizing stochastic nature of offset and noise whose impact is increasing through process miniaturization. In this paper, we analyze the resolution of level cross detection method based on a stochastic comparator and formulate its performance. We show that the level cross detection exhibits finer resolution compared to that uses the single comparator with the same total area of comparators. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | stochastic comparator / level cross detection / ADC / thermal noise / PVT variation / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 117, no. 344, ICD2017-54, pp. 15-20, Dec. 2017. | |
| Paper # | ICD2017-54 | |
| Date of Issue | 2017-12-07 (CAS, ICD, CPSY) | |
| 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 | CAS2017-66 ICD2017-54 CPSY2017-63 Link to ES Tech. Rep. Archives: ICD2017-54 |
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| Conference Information | |
| Committee | ICD CPSY CAS |
| Conference Date | 2017-12-14 - 2017-12-15 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Art Hotel Ishigakijima |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | ICD |
| Conference Code | 2017-12-ICD-CPSY-CAS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Performance Analysis of Level-Cross Detection Method based on Stochastic Comparator |
| Sub Title (in English) | |
| Keyword(1) | stochastic comparator |
| Keyword(2) | level cross detection |
| Keyword(3) | ADC |
| Keyword(4) | thermal noise |
| Keyword(5) | PVT variation |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Taiki Sugiyama |
| 1st Author's Affiliation | The University of Tokyo (Univ. of Tokyo) |
| 2nd Author's Name | Tetsuya Iizuka |
| 2nd Author's Affiliation | The University of Tokyo (Univ. of Tokyo) |
| 3rd Author's Name | Takahiro Yamaguchi |
| 3rd Author's Affiliation | Advantest Laboratories Ltd. (Advantest) |
| 4th Author's Name | Toru Nakura |
| 4th Author's Affiliation | The University of Tokyo (Univ. of Tokyo) |
| 5th Author's Name | Kunihiro Asada |
| 5th Author's Affiliation | The University of Tokyo (Univ. of Tokyo) |
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| Speaker | Author-1 |
| Date Time | 2017-12-14 10:40:00 |
| Presentation Time | 20 minutes |
| Registration for | ICD |
| Paper # | CAS2017-66, ICD2017-54, CPSY2017-63 |
| Volume (vol) | vol.117 |
| Number (no) | no.343(CAS), no.344(ICD), no.345(CPSY) |
| Page | pp.15-20 |
| #Pages | 6 |
| Date of Issue | 2017-12-07 (CAS, ICD, CPSY) |
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