4.For the circuit shown in Figure 4, the parameters are:
= 5 V, -
= -5 V,
= 0.1 kΩ,R1=40kΩ.R2=5.72 kΩ,
= 0.5 kΩ,
= 5 kΩ, and
= 10 kΩ. The transistor parameters are: β = 150,
0.7 V, neglect Early effect,
= 35 pF,
= 4 pF,
= 1 HF. Thermal voltage
= 26 mV. Please determine the lower and upper corner frequency (
), midband gain
.