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Paper Abstract and Keywords
Presentation 2006-07-27 10:00
Evaluation of Digital Crosstalk Noise to fully DIfferential VCO
Akihiro Toya (Hiroshima Univ.), Yoshitaka Murasaka, Takafumi Ohmoto (A-R-Tec Corp.), Atsushi Iwata (Hiroshima Univ.) Link to ES Tech. Rep. Archives: ICD2006-60
Abstract (in Japanese) (See Japanese page) 
(in English) In accordance with the rapid increase of operation frequencies of CMOS circuits, radio-frequency system-on-a-chip (RF-SOC) that integrates GHz-RF circuits and large-scale digital circuits becomes a key devices for wireless systems and high speed networks. To develop high performance RF-SOC, high quality PLL (Phase-Locked -Loop) in the presence of cross talk noise generated by high-speed and large-scale digital circuits are required as oscillators or clock generators.
We designed a test chip including a proposed differential input VCO, CMOS logic circuits and substrate noise detectors using a 0.25um CMOS technology, and measured characteristics of output jitter of the VCO to investigate the effect of the substrate crosstalk noise. As a result, the proposed differential input VCO is high tolerance for low-frequency noise in comparison with a conventional single-input VCO.
Keyword (in Japanese) (See Japanese page) 
(in English) VCO / Substrate noise / Cross-talk noise / Cycle jitter / Cycle-to-cycle jitter / / /  
Reference Info. IEICE Tech. Rep., vol. 106, no. 189, ICD2006-60, pp. 1-6, July 2006.
Paper # ICD2006-60 
Date of Issue 2006-07-20 (ICD) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 Link to ES Tech. Rep. Archives: ICD2006-60

Conference Information
Committee ICD ITE-IST  
Conference Date 2006-07-27 - 2006-07-28 
Place (in Japanese) (See Japanese page) 
Place (in English)  
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Paper Information
Registration To ICD 
Conference Code 2006-07-ICD-ITE-IST 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Evaluation of Digital Crosstalk Noise to fully DIfferential VCO 
Sub Title (in English)  
Keyword(1) VCO  
Keyword(2) Substrate noise  
Keyword(3) Cross-talk noise  
Keyword(4) Cycle jitter  
Keyword(5) Cycle-to-cycle jitter  
1st Author's Name Akihiro Toya  
1st Author's Affiliation Hiroshima University (Hiroshima Univ.)
2nd Author's Name Yoshitaka Murasaka  
2nd Author's Affiliation A-R-Tec Corp. (A-R-Tec Corp.)
3rd Author's Name Takafumi Ohmoto  
3rd Author's Affiliation A-R-Tec Corp. (A-R-Tec Corp.)
4th Author's Name Atsushi Iwata  
4th Author's Affiliation Hiroshima University (Hiroshima Univ.)
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Date Time 2006-07-27 10:00:00 
Presentation Time 30 minutes 
Registration for ICD 
Paper # ICD2006-60 
Volume (vol) vol.106 
Number (no) no.189 
Page pp.1-6 
Date of Issue 2006-07-20 (ICD) 

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