For the common-gate circuit in Figure P4.48, the NMOS transistor parameters are: (V_{T N}=1 mathrm{~V}, K_{n}=3 mathrm{~mA}

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For the common-gate circuit in Figure P4.48, the NMOS transistor parameters are: \(V_{T N}=1 \mathrm{~V}, K_{n}=3 \mathrm{~mA} / \mathrm{V}^{2}\), and \(\lambda=0\).

(a) Determine \(I_{D Q}\) and \(V_{D S Q}\).

(b) Calculate \(g_{m}\) and \(r_{o}\).

(c) Find the small-signal voltage gain \(A_{v}=v_{o} / v_{i}\).

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