Consider the PMOS common-gate circuit in Figure P4.49. The transistor parameters are: \(V_{T P}=-1 \mathrm{~V}, K_{p}=0.5 \mathrm{~mA} / \mathrm{V}^{2}\), and \(\lambda=0\).

(a) Determine \(R_{S}\) and \(R_{D}\) such that \(I_{D Q}=0.75 \mathrm{~mA}\) and \(V_{S D Q}=6 \mathrm{~V}\).

(b) Determine the input impedance \(R_{i}\) and the output impedance \(R_{o}\).

(c) Determine the load current \(i_{o}\) and the output voltage \(v_{o}\), if \(i_{i}=5 \sin \omega \mathrm{t} \mu \mathrm{A}\).

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R CCT R = Ro CC2 Rp. R = 2 100 Rs RG = CG 50 V+ = +5 V V = -5 V Figure P4.49