Question 2: The MOSFET in the common-drain amplifier shown in Figure 2 has the small signal parameters gm 2 mA/V, ro=150 k. Assume that the transistor is properly biased at a point in its saturation region. (a) Draw the small-signal equivalent circuit of the amplifier. (20 pts) (b) Find the voltage gain A, v /v, the overall voltage gain G = v. /vs = sig, output (Rout) resistances. (30 pts) Vsig Rsig = 100 CC1 HE Rin + Figure 2 1 +15 V Cc -15 V Rout M 15 Small-signal model: + V and the input (Rin) and gs g v Em D