The parameters of the circuit shown in Figure P4.15 are (V_{D D}=12 mathrm{~V}), (R_{S}=0.5 mathrm{k} Omega, R_{i

Question:

The parameters of the circuit shown in Figure P4.15 are $V_{D D}=12 \mathrm{~V}$, $R_{S}=0.5 \mathrm{k} \Omega, R_{i n}=250 \mathrm{k} \Omega$, and $R_{L}=10 \mathrm{k} \Omega$. The transistor parameters are $V_{T N}=1.2 \mathrm{~V}, K_{n}=1.5 \mathrm{~mA} / \mathrm{V}^{2}$, and $\lambda=0$.

(a) Design the circuit such that $I_{D Q}=2 \mathrm{~mA}$ and $V_{D S Q}=5 \mathrm{~V}$.

(b) Determine the small-signal voltage gain.

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