10 MΩ
500 nA 0.015 + 0.001 0.020 + 0.001 0.040 + 0.001 0.060 + 0.001 0.0030 + 0.0004
100 MΩ
500 nA ||
10 MΩ 0.300 + 0.010 0.800 + 0.010 0.800 + 0.010 0.800 + 0.010 0.1500 + 0.0002 直流电流 负载电压
100 ?A ........