Design and implementation of microsensor system
Resource
Engineering in Medicine and Biology society, 1997. Proceedings of the 19th Annual International Conference of the IEEE
Journal
19th Annual International Conference of the IEEE Engineering in Medicine and Biology society
Pages
-
Date Issued
1997-11
Date
1997-11
Author(s)
DOI
N/A
Abstract
The design, implementation and characterization of a microsensor system for electrochemical measurements are introduced. This microsensor system consists of an electrochemical cell, amplifier, switches for miniature applications. Currently, we use a single chip microprocessor (80C51), an ADC (ADC0804) and seven-segment display for portable instrument prototype. The proposed microsensor is implemented by using the UMC 0.5 /spl mu/m CMOS technology with a die size of 1.0 mm/spl times/1.0 mm. The electrode area is 600 /spl mu/m/spl times/800 /spl mu/m. The unique design of a feedback voltage controlled resistor allows a flexible dynamic range for linear conversion of the induced current in various applications.
SDGs
Type
other
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