5_RANGE_LINEAR_SCALE_OHMMETER

Published:2009/7/10 4:02:00 Author:May | From:SeekIC

Rx is inserted h the feedback path of IC1.A known reference current is selected from reference voltage generator Q1,D1,and R5 through R9.A meter reading will be produced： where R5＝R5 through R9,as selected.This corresponds linearly to the value of Rx.



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