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5-Range Linear-Scale Ohmmeter

2017-03-10 08:32  
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Rx is inserted in the feedback path of IC1. A known reference current is selected from reference voltage gene
5-Range Linear-Scale Ohmmeter

rator Ql, Dl, and R5 through R9. A meter reading will be produced: where R^=Rs through R9, as selected. This corresponds linearly to the value of Rx.

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