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Paper Abstract and Keywords
Presentation 2011-01-28 14:15
1GS/s Current Mode Pipeline ADC in 90nm CMOS
Kei Ando, Takashi Nozawa, Ta Tuan Thanh, Shoichi Tanifuji, Suguru Kameda, Noriharu Suematsu, Tadashi Takagi, Kazuo Tsubouchi (Tohoku Univ.) SR2010-83
Abstract (in Japanese) (See Japanese page) 
(in English) In heterogeneous wireless network, multimode tranceiver for various wireless system is needed. We have
already proposed a scalable analog-to-disital converter (ADC) which can change sampling frequency and resolution
for wireless specification. For the proposed scalable ADC, time-interleaving technique and pipeline archtecture are
adopted. To change sampling frequency, the proposed ADC switches a number of parallel ADCs. To change resolution,
the ADC switches a number of pipeline stages. The proposed ADC is designed in 90nm Si complementary metal oxide semiconductor (CMOS) with current mode constitution to reduce deterioration of conversion accuracy
by microfabrication and to improve sampling speed. We fabricated 5bit 1GS/s current mode pipeline ADC for WPAN(wireless personal area network). By DC measurent, the 5bit 1GS/s ADC has no miscode and increases monotonically. By AC simulation with 11.17MHz input, the ADC achieved signal to noise ratio (SNR) of 27.3dB，spurious free dynamic range (SFDR) of 44.6dB，signal to noise and distortion ratio (SNDR) of 7.2dB，effective
number of bits (ENOB) of 4.22bit，and power consumption of 45mW.
Keyword (in Japanese) (See Japanese page) 
(in English) ADC / Pipeline / Current Mode / Wireless System / 90nm Si-CMOS / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 398, SR2010-83, pp. 89-94, Jan. 2011.
Paper # SR2010-83 
Date of Issue 2011-01-20 (SR) 
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 SR2010-83

Conference Information
Committee SR  
Conference Date 2011-01-27 - 2011-01-28 
Place (in Japanese) (See Japanese page) 
Place (in English) Kyushu Institute of Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Cognitive Radio Network, Cross Layer, etc. 
Paper Information
Registration To SR 
Conference Code 2011-01-SR 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) 1GS/s Current Mode Pipeline ADC in 90nm CMOS 
Sub Title (in English)  
Keyword(1) ADC  
Keyword(2) Pipeline  
Keyword(3) Current Mode  
Keyword(4) Wireless System  
Keyword(5) 90nm Si-CMOS  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Kei Ando  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Takashi Nozawa  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
3rd Author's Name Ta Tuan Thanh  
3rd Author's Affiliation Tohoku University (Tohoku Univ.)
4th Author's Name Shoichi Tanifuji  
4th Author's Affiliation Tohoku University (Tohoku Univ.)
5th Author's Name Suguru Kameda  
5th Author's Affiliation Tohoku University (Tohoku Univ.)
6th Author's Name Noriharu Suematsu  
6th Author's Affiliation Tohoku University (Tohoku Univ.)
7th Author's Name Tadashi Takagi  
7th Author's Affiliation Tohoku University (Tohoku Univ.)
8th Author's Name Kazuo Tsubouchi  
8th Author's Affiliation Tohoku University (Tohoku Univ.)
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Speaker Author-1 
Date Time 2011-01-28 14:15:00 
Presentation Time 25 minutes 
Registration for SR 
Paper # SR2010-83 
Volume (vol) vol.110 
Number (no) no.398 
Page pp.89-94 
#Pages 6 
Date of Issue 2011-01-20 (SR) 

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