(a) Design an ideal noninverting op-amp circuit with the configuration shown in Figure 9.15 to have a closed-loop gain of \(A_{v}=15\). When \(v_{0}=-7.5 \mathrm{~V}\), the current in any resistor is to be limited to a maximum value of \(120 \mu \mathrm{A}\).

(b) Using the results of part (a), determine the output voltage \(v_{O}\) and the currents in the resistors for \(v_{I}=0.25 \mathrm{~V}\).

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R 1 v1 ww (2) 12 iz ww R +1 VI + Figure 9.15 Noninverting op-amp circuit