In this paper, a high-precision wide-range electronic front-end for resistive gas sensors is described. A flexible continuous time trans-resistance 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 Ω-10 MΩ]. © 2005 Elsevier B.V. All rights reserved.
Grassi, M., Malcovati, P., Baschirotto, A. (2005). A high-precision wide-range front-end for resistive gas sensors arrays. SENSORS AND ACTUATORS. B, CHEMICAL, 111-112, 281-285 [10.1016/j.snb.2005.03.103].
A high-precision wide-range front-end for resistive gas sensors arrays
BASCHIROTTO, ANDREA
2005
Abstract
In this paper, a high-precision wide-range electronic front-end for resistive gas sensors is described. A flexible continuous time trans-resistance 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 Ω-10 MΩ]. © 2005 Elsevier B.V. All rights reserved.
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