The transistor parameters of the NMOS device in the common-gate amplifier in Figure P4.50 are \(V_{T N}=0.4 \mathrm{~V}, k_{n}^{\prime}=100 \mu \mathrm{A} / \mathrm{V}^{2}\), and \(\lambda=0\).

(a) Find \(R_{D}\) such that \(V_{D S Q}=V_{D S}\) (sat) \(+0.25 \mathrm{~V}\).

(b) Determine the transistor \(W / L\) ratio such that the small-signal voltage gain is \(A_{v}=6\).

(c) What is the value of \(V_{G S Q}\) ?

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CC 10= 2 mA V = -1.8 V Figure P4.50 www Rp V+= 1.8 V Vo