For the MOSFETS in the figure, k,=H,Co-40A/V, kn=,Cox-80A/V, VAn= VAp =40V, VThp= -0.8V, VThn= 0.6V are given. Aspect ratio values of the transistors can be obtained from the table given below. (Vin1=Vin2=0 for DC case) +3V +3V +3V 1) Find the differential-differential gain of the circuit {(vo2-vo1)/(vin1-vin2)}.(40P) VGG.M7 Iss 0.2mA M8 M9 Vin1, M1 Vin2 M2 Vo1 Vo2 2) Find CMRR of the circuit for the differential-differential case. (40P) M3 M4 M5 3) Find VGG. And design a structure in order to obtain VGG. (Do not use any extra power supply)(20P) 3V -3V L(um) W(um) M1 0.7 28 M2 0.7 28 M3 0.7 7 M4 0.7 M5 0.7 14 M6 0.7 14 M7 0.7 14 M8 0.7 14 M9 0.7 14 IN77 N7N N7