9.60 A CS amplifier that can be represented by the equivalent
circuit of Fig. 9.19 has Cgs = 2 pF.Cgd = 0.1 pF,CL = 2 pF,gm = 4 mA/V,and R′sig = RL′ = 20 kΩ.Find
the midband gain AM , the input capacitance Cin using the Miller
approximation, and hence an estimate of the 3-dB frequency fH.
Also, obtain a better estimate of fH using Miller’s theorem.
9.60 A CS amplifier that can be represented by the equivalentcircuit of Fig. 9.19 has Cgs = 2 pF.Cgd = 0.1 pF,CL = 2 pF,gm = 4 mA/V,and R′sig = RL′ = 20 kΩ.Findthe midband gain AM , the input capacitance Cin using the Millerapproximation, and hence an estimate of the 3-dB frequency fH.Also, obtain a better estimate of fH using Miller’s theorem.
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