Question: (a) Design an inverting op-amp circuit with a closed-loop voltage gain of (A_{v}=-6.5). When in the input voltage is (v_{I}=-0.25 mathrm{~V}), the magnitude of the

(a) Design an inverting op-amp circuit with a closed-loop voltage gain of $A_{v}=-6.5$. When in the input voltage is $v_{I}=-0.25 \mathrm{~V}$, the magnitude of the currents is to be $50 \mu \mathrm{A}$. Determine $R_{1}$ and $R_{2}$.

(b) Using the results of part (a), find $v_{I}, i_{1}$, and $i_{2}$ when $v_{O}=-4.0 \mathrm{~V}$.

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