Calculate the average propagation delay of CMOS symmetric inverter shown in the figure below for C = 0.3 pF. Given KN′ = 100 μAV2 and VTN = 0.6 V. 1.2 ns 4.8 ns 3.6 ns 2.4 ns Calculate the average propagation delay of CMOS symmetric inverter shown in the figure below for C = 0.3 pF. Given KN′ = 100 μAV2 and VTN = 0.6 V. 1.2 ns 4.8 ns 3.6 ns 2.4 ns