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Q3: In the common-gate circuit in Figure Q5, the transistor parameters are: Vn =1V, Kn = 3 mA/V²,2 = 0, C gs = 15pF, and Cga = 4pF. a) Determine

the upper 3dB frequency (6 points). b) Calculate the mid-band voltage gain (6 points).

Fig: 1

Fig: 2