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Picoammeter-circuit

2017-08-19 22:20  
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This circuit uses the exceptionally low input current 0.1 pA of the CA3420 BiMOS op amp. With only a single 10-MO resistor,
Picoammeter-circuit

The circuit covers the range from ?±50 pA to a maximum full-scale sensitivity of ?± 1.5 pA.



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