rπ=VT/IB=25mV/20μA=1.25 kΩgm=IC/VT=2/25=0.08A/V=80 mA/V
9 假設電晶體的IB = 20 μA及IC = 2 mA,已知熱電壓(Therm..-阿摩線上測驗