Converting current to voltage transducer circuit Using LM107

Posted on Feb 6, 2014

Converting into voltage is undesirable for two reasons: first, an impedance is inserted into the measuring line causing an error; second, amplifier offset voltage is also amplified with a subsequent loss of accuracy. The use of a current to voltage transducer avoids both of these problems. This is current to voltage transducer circuit. The input c

Converting current to voltage transducer circuit Using LM107
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urrent is fed directly into the summing node and the amplifier output voltage changes to extract the same current from the summing node through R1. The scale factor of this circuit is R1 volts per amp. The only conversion error in this circuit is Ibias which is summed algebraically with IIN. Here is a schematic drawing :

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