1. Using SPICE plot the I-V characteristics for a PMOS and NMOS device.

a. NMOS W = 1.2μm, L = 0.25 μm

b. NMOS W = 4.8μm, L = 0.5μm

c. PMOS W = 1.2 µm, L = 0.25 μm

d. PMOS W = 4.8 μm, L = 0.5 µm