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Paper Abstract and Keywords
Presentation 2009-12-18 09:30
Design of Image Rejection Type of Direct Sampling Mixer
Yohei Morishita, Noriaki Saito (Panasonic Corp.), Kiyomichi Araki (Tokyo Inst. of Tech.) MW2009-151
Abstract (in Japanese) (See Japanese page) 
(in English) As CMOS process advances, the design of CMOS Radio Frequency Integrated Circuit (RFIC) has been examined under both low voltage and small area. Direct Sampling Mixer (DSM) has attracted much attention by using discrete-time analog filter. The conventional DSM, however, cannot eliminate image signal because the coefficients of transfer function have been composed of only real number. The proposed transfer function in this paper tackles the image rejection based on complex coefficients. Moreover, the high-order transfer function is realized by using the parallel connection of the DSM. The composition enables to set zeros in the image signal band, therefore, provides high image rejection ratio (IRR). The result clearly describes that more than 25dB of IRR and the prospect for circuit area reduction.
Keyword (in Japanese) (See Japanese page) 
(in English) Discrete-time system / Sampling mixer / Image rejection / Complex filter / Attenuation-pole / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 342, MW2009-151, pp. 47-52, Dec. 2009.
Paper # MW2009-151 
Date of Issue 2009-12-10 (MW) 
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 MW2009-151

Conference Information
Committee MW  
Conference Date 2009-12-17 - 2009-12-18 
Place (in Japanese) (See Japanese page) 
Place (in English) Kanazawa Inst. of Tech. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Microwave Technologies 
Paper Information
Registration To MW 
Conference Code 2009-12-MW 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Design of Image Rejection Type of Direct Sampling Mixer 
Sub Title (in English)  
Keyword(1) Discrete-time system  
Keyword(2) Sampling mixer  
Keyword(3) Image rejection  
Keyword(4) Complex filter  
Keyword(5) Attenuation-pole  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Yohei Morishita  
1st Author's Affiliation Panasonic Corporation (Panasonic Corp.)
2nd Author's Name Noriaki Saito  
2nd Author's Affiliation Panasonic Corporation (Panasonic Corp.)
3rd Author's Name Kiyomichi Araki  
3rd Author's Affiliation Tokyo Institute of Technology (Tokyo Inst. of Tech.)
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Speaker Author-1 
Date Time 2009-12-18 09:30:00 
Presentation Time 25 minutes 
Registration for MW 
Paper # MW2009-151 
Volume (vol) vol.109 
Number (no) no.342 
Page pp.47-52 
#Pages 6 
Date of Issue 2009-12-10 (MW) 

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