019
De stroomversterking Hfe is ongeveer:
a 5
b 10
c
50
d 100
URc = 40 - 20 = 20 V
Ic = 20 / 1K2 = 16 mA
Ibasis = U / Rb
= 40 / 120 K = 333 µA
HFE = 16 mA / 333µA = 48 keer
039
Versterking Tr
┘
