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Paper Abstract and Keywords
Presentation 2007-12-13 15:45
Low-jitter and Large-EMI-reduction Spread-spectrum Clock Generator with Auto-calibration for Serial-ATA Application
Takashi Kawamoto (Hitachi), Takayuki Noto, Hiromitsu Inada, Tomoaki Takahashi (Renesas) ICD2007-125
Abstract (in Japanese) (See Japanese page) 
(in English) An low jitter voltage-controlled oscillator (VCO) with high-frequency-limiter and an auto-calibration technique suitable for this VCO was developed for a spread-spectrum clock generator (SSCG). The high-frequency-limiter prevents the SSCG from going into an unlocked state. The proposed VCO achieved far less jitter than a conventional one because a proposed structure has less operating MOSs. The auto-calibration technique prevents the SSCG from degrading a performance caused by a process variation by controlling VCO gain and maximum output frequency. The auto-calibration SSCG was fabricated in a 0.13-m CMOS process fro Serial-ATA applications. The variation in the rms jitter at 1.5 GHz with spread-spectrum clocking (SSC) is improved from 2.1-7.8 ps to 1.9-3.3 ps and the EMI reduction is achieved 10.0 dBm by the auto-calibration technique.
Keyword (in Japanese) (See Japanese page) 
(in English) PLL / SD Modulator / Spread Spectrum / Serial ATA / EMI / Auto-calibration / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 382, ICD2007-125, pp. 31-36, Dec. 2007.
Paper # ICD2007-125 
Date of Issue 2007-12-06 (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 ICD2007-125

Conference Information
Committee ICD ITE-CE  
Conference Date 2007-12-13 - 2007-12-14 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To ICD 
Conference Code 2007-12-ICD-ITE-CE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Low-jitter and Large-EMI-reduction Spread-spectrum Clock Generator with Auto-calibration for Serial-ATA Application 
Sub Title (in English)  
Keyword(1) PLL  
Keyword(2) SD Modulator  
Keyword(3) Spread Spectrum  
Keyword(4) Serial ATA  
Keyword(5) EMI  
Keyword(6) Auto-calibration  
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Keyword(8)  
1st Author's Name Takashi Kawamoto  
1st Author's Affiliation Hitachi Ltd. (Hitachi)
2nd Author's Name Takayuki Noto  
2nd Author's Affiliation Renesas Technology Corp. (Renesas)
3rd Author's Name Hiromitsu Inada  
3rd Author's Affiliation Renesas Technology Corp. (Renesas)
4th Author's Name Tomoaki Takahashi  
4th Author's Affiliation Renesas Technology Corp. (Renesas)
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Speaker Author-1 
Date Time 2007-12-13 15:45:00 
Presentation Time 25 minutes 
Registration for ICD 
Paper # ICD2007-125 
Volume (vol) vol.107 
Number (no) no.382 
Page pp.31-36 
#Pages 6 
Date of Issue 2007-12-06 (ICD) 

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