申論題

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 .