The parameters of the diff-amp circuit shown in Figure P11.38 are (V^{+}=9 mathrm{~V}), (V^{-}=-9 mathrm{~V}, R_{D}=510 mathrm{k}

Question:

The parameters of the diff-amp circuit shown in Figure P11.38 are $V^{+}=9 \mathrm{~V}$, $V^{-}=-9 \mathrm{~V}, R_{D}=510 \mathrm{k} \Omega$, and $R_{S}=390 \mathrm{k} \Omega$. The transistor parameters are $V_{T P}=-0.8 \mathrm{~V}, K_{p}=50 \mu \mathrm{A} / \mathrm{V}^{2}$, and $\lambda=0$. Determine $v_{D 1}$ and $v_{D 2}$ for

(a) $v_{1}=v_{2}=1 \mathrm{~V}$ and

(b) $v_{1}=1.050 \mathrm{~V}, v_{2}=0.950 \mathrm{~V}$.

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