Figure P16.23 In the NMOS circuit in Figure P16.23, the transistor parameters are: (W/L)X = (W/L)Y = 4, (W/L)L = 1, VTNX = VTNY = 0.8 V, and VTNL = −1.5 V. (a) Determine vO when vX = vY = 5 V. (b) What are the values of vGSX, vGSY, vDSX, and vDSY? Repeat part (a) for γ = 0.5.