In the circuit of Fig. P4.48, transistors Q and Q have V, 1 V, and the process transconductance parameter k, = 100 A/V. Assuming = 0, find V, V, and V3 for each of the following case (W/L), = (W/L) = 20 40 V0 +5V 22. 40 -0 V 200 V