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Third International Conference on Systems (icons 2008)
A Microconductometer Utilizing Bipolar Pulse Method for Electro-Chemical Sensors
April 13-April 18
ISBN: 978-0-7695-3105-2
The microelectronic measuring system for conductivity electro-chemical sensor measurement of liquid materials properties was designed in AMIS CMOS 0.7 mm technology. The main parts of the system are current source with switchable subranges, the sensor switches allowing change of the current polarity in compliance with the bipolar pulse method, which was developed specially for this measurement purposes at the Dept. of Microelectronics. The most important part of the system is a sensor voltage drop measuring circuit using opamp’s offset switched compensation.
Index Terms:
mixed analog-digital integrated circuits
Citation:
L. Fujcik, R. Vrba, R. Prokop, J. Hubalek, P. Steffan, H. Hornochova, "A Microconductometer Utilizing Bipolar Pulse Method for Electro-Chemical Sensors," icons, pp.81-84, Third International Conference on Systems (icons 2008), 2008
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