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http://dx.doi.org/10.5369/JSST.2009.18.1.095

Potentiostat circuits for amperometric sensor  

Lim, Shin-Il (Dept. of Computer Engineering, Seokyeong University)
Publication Information
Journal of Sensor Science and Technology / v.18, no.1, 2009 , pp. 95-101 More about this Journal
Abstract
A simple and new CMOS potentiostat circuit for amperometric sensor is described. To maintain a constant potential between the reference and working electrodes, only one differential difference amplifier (DDA) is needed in proposed design, while conventional potentiosatat requires at least 2 operational amplifiers and 2 resistors, or more than 3 operational amplifiers and 4 resistors for low voltage CMOS integrated potentiostat. The DDA with rail-to-rail design not only enables the full range operation to supply voltage but also provides simple potentiostat system with small hardwares and low power consumption.
Keywords
Amperometric sensor interface; DDA; CMOS potentiostat;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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