Published:2009/7/2 22:52:00 Author:May | From:SeekIC
FET-buffered opamp circuit will operate from source impedances up to 100 megohms while providing voltage gain of 5. Offset adjustment is provided forinitial calibration of circuit. Developed for use with highimpedance sensors such as pH electrodes.- Industrial Control Engineering Bulletin. Motorola. Phoenix. AZ. 1973. EB-4.
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