Positive SSL
1 某矽二極體η=2,熱電壓(thermalvoltage)VT=25mV。若其順向電流為10mA,則其動態電阻值rd為何?
A
B 10Ω
C 15Ω
D 2.5Ω
`rd=(ηV_T)/(I_D)=2*(25m)/(10m)=5Ω`