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| Presentation | 2017-03-02 14:25 Linearity Improvement Method of Fast-Chirp Signal for PLL by Using Frequency Detector and Division Ratio Modification Osamu Wada, Hiroyuki Mizutani, Hideyuki Nakamizo, Kenichi Tajima (Mitsubishi Electric corp.)  MW2016-197 ICD2016-127 Link to ES Tech. Rep. Archives: MW2016-197 ICD2016-127 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | A fast-chirp signal generated by a PLL is distorted by its transient characteristic and it has overshooting around turn-around points. In this paper, a linearity improvement method of the fast-chirp signal including turn-around points for the PLL by using frequency detector and division ratio modification is proposed. In the proposed method, the PLL generates the chirp signal with division ratio with triangular wave transitions. The proposed method measures a frequency difference between the output and an ideal chirp signals, and a delay time defined as the time difference between the frequency peaks of the output and the ideal signals. And the proposed method calculates a new division ratio at advance of the delay time. In the next chirp, the chirp signal with the modified division ratio will improve the linearity of the output signal. An iteration of the measurement of the frequency error and modification of the division ratio enables higher linearity improvement in the proposed method. Experimental results show that the maximum frequency error decreases by 90.3% after 3 times of iteration compared to that without the proposed method. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | FMCW / PLL / Fast-Chirp / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 116, no. 486, MW2016-197, pp. 51-54, March 2017. | |
| Paper # | MW2016-197 | |
| Date of Issue | 2017-02-23 (MW, ICD) | |
| 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 | MW2016-197 ICD2016-127 Link to ES Tech. Rep. Archives: MW2016-197 ICD2016-127 |
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| Conference Information | |
| Committee | MW ICD |
| Conference Date | 2017-03-02 - 2017-03-03 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Okayama Prefectural Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Microwave Integrated Circuit / Microwave Technologies |
| Paper Information | |
| Registration To | MW |
| Conference Code | 2017-03-MW-ICD |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Linearity Improvement Method of Fast-Chirp Signal for PLL by Using Frequency Detector and Division Ratio Modification |
| Sub Title (in English) | |
| Keyword(1) | FMCW |
| Keyword(2) | PLL |
| Keyword(3) | Fast-Chirp |
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| 1st Author's Name | Osamu Wada |
| 1st Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric corp.) |
| 2nd Author's Name | Hiroyuki Mizutani |
| 2nd Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric corp.) |
| 3rd Author's Name | Hideyuki Nakamizo |
| 3rd Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric corp.) |
| 4th Author's Name | Kenichi Tajima |
| 4th Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric corp.) |
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| Speaker | Author-1 |
| Date Time | 2017-03-02 14:25:00 |
| Presentation Time | 25 minutes |
| Registration for | MW |
| Paper # | MW2016-197, ICD2016-127 |
| Volume (vol) | vol.116 |
| Number (no) | no.486(MW), no.487(ICD) |
| Page | pp.51-54 |
| #Pages | 4 |
| Date of Issue | 2017-02-23 (MW, ICD) |
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