Consider the common-gate amplier of Figure, the MOSFET has KP = 50 A/V2, W = 600 m, L = 10 m, Vto = 1V, and rd = . The supply voltages are VDD = 15 V and VSS = 15 V. The resistances are RS = 3 k , RL = 10 k , and RD = 3k .
a. Determine the Q point and the value of gm.
b. Determine the input resistance and the voltage gain.