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Paper Abstract and Keywords
Presentation 2019-08-09 11:35
Interface with Opamp Output-Impedance Calibration Technique for a Large Integrated 2-D Resistive Sensor Array
Yohsuke Shiiki, Hiroki Ishikuro (Keio Univ.) SDM2019-48 ICD2019-13
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, a noble gas sensing system usjing a large scale integrated resistive sensor array and its interface system is introduced. Accuracy improvement, compared to conventional techniques, was achieved using our proposed opamp output impedance calibration technique. This technique makes it possible to use a low power, weak drivability opamp in the interface circuit. This paper shows the calibration method which reduces the sneak path current error from 83.6% to 1.2% through MATLAB simulations. A prototype system with 1,024 gas sensors integrated in one chip, discrete ICs of opamp, ADCs, and an FPGA was developed, and the effectiveness of the system is demonstrated.
Keyword (in Japanese) (See Japanese page) 
(in English) gas sensing / resistive sensor array / opamp / driving power / software calibration / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 162, ICD2019-13, pp. 73-78, Aug. 2019.
Paper # ICD2019-13 
Date of Issue 2019-07-31 (SDM, 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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF SDM2019-48 ICD2019-13

Conference Information
Committee SDM ICD ITE-IST  
Conference Date 2019-08-07 - 2019-08-09 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido Univ., Graduate School /Faculty of Information Science and 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Analog, Mixed Analog and Digital, RF, and Sensor Interface, Low Voltage/Low Power Techniques, Novel Devices/Circuits, and the Applications 
Paper Information
Registration To ICD 
Conference Code 2019-08-SDM-ICD-IST 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Interface with Opamp Output-Impedance Calibration Technique for a Large Integrated 2-D Resistive Sensor Array 
Sub Title (in English)  
Keyword(1) gas sensing  
Keyword(2) resistive sensor array  
Keyword(3) opamp  
Keyword(4) driving power  
Keyword(5) software calibration  
1st Author's Name Yohsuke Shiiki  
1st Author's Affiliation Keio University (Keio Univ.)
2nd Author's Name Hiroki Ishikuro  
2nd Author's Affiliation Keio University (Keio Univ.)
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Date Time 2019-08-09 11:35:00 
Presentation Time 25 
Registration for ICD 
Paper # IEICE-SDM2019-48,IEICE-ICD2019-13 
Volume (vol) IEICE-119 
Number (no) no.161(SDM), no.162(ICD) 
Page pp.73-78 
#Pages IEICE-6 
Date of Issue IEICE-SDM-2019-07-31,IEICE-ICD-2019-07-31 

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