Current-voltage conversion circuit in input circuit
Source: InternetPublisher:难得正经 Keywords: conversion circuit input circuit voltage conversion Updated: 2020/09/15
Shown is the current-to-voltage conversion circuit in the input circuit
. In the input signal selection circuit,
a high-precision standard resistor (wirewound resistor or metal film
resistor from 0.1 to 900n and measured by two switches. For range selection, the current is input from the input end. After selecting the corresponding resistor through the selection circuit, it
is input into the LtA741A through the range selection switch. After the frequency conversion processing of the yA741A, a voltage value proportional to the input current is output.
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