Q4. The NMOS biasing circuit in Figure 4 has Rp = 1.5kΩ, RSR = 500Ω, RG = 500Ω, and VpD = 12V. The MOS parameters are K = 0.5mA/V, Vt = 1V, and λ = 0.01. Determine (a) the drain current Id and (b) the gate-to-source voltage Vgs. (25 Points)
Figure 4