741 op-amp device as the I/V converter circuit

Published:2011/5/4 2:30:00 Author:Christina | Keyword: op-amp device, I/V converter | From:SeekIC

The 741 op-amp deviceas the I/V converter circuit is as shown. Current of PC1 can be considered that all through the feedback resistor, the current flowing through the ammeter equal to 741C output voltage divided by the internal resistance of meter, and this current has relationship with the solar cells current. by whirling the switch and inserting resistances with different values the circuit can provide 6 stages metering range. When you access the 100MΩ resistance profile, it has the highest sensitivity. Power meter's sensitivity is 0 to 1mA.



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