A high-precision wide-range front-end for resistive gas sensors arrays

被引：27
|
作者：
Grassi, M [1 ]
Malcovati, P [1 ]
Baschirotto, A [1 ]
机构：
[1] Univ Pavia, Dept Innovat Engn, I-27100 Pavia, Italy
来源：
SENSORS AND ACTUATORS B-CHEMICAL | 2005年 / 111卷
关键词：
wide-range; gas sensors; front-end;
D O I：
10.1016/j.snb.2005.03.103
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
In this paper, a high-precision wide-range electronic front-end for resistive gas sensors is described. A flexible continuous time transresistance stage is followed by a switched capacitor incremental ADC. A smart DSP allows to reconfigure the front-end in order to achieve a resolution of 0.1% for a resistance ranging in [100 Omega-10 M Omega]. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：281 / 285
页数：5
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