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The op-amp in the circuit in Figure P12.66 has an open-loop differential voltage gain of Ad = 10^4. Neglect the current into the op-amp, and assume the output resistance looking back into the op-amp is zero. Determine: (a) the closed-loop voltage gain Av = Vo/Vs, (b) the input resistance Rif, and (c) the output resistance Rof.

The op-amp in the circuit in Figure P12.66 has an open-loop differential voltage gain of Ad = 10^4. Neglect the current into the op-amp, and assume the output resistance looking back into the op-amp is zero. Determine: (a) the closed-loop voltage gain Av = Vo/Vs, (b) the input resistance Rif, and (c) the output resistance Rof.

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The op-amp in the circuit in Figure P12.66 has an open-loop differential voltage gain of Ad = 10^4. Neglect the current into the op-amp, and assume the output resistance looking back into the op-amp is zero. Determine: (a) the closed-loop voltage gain Av = Vo/Vs, (b) the input resistance Rif, and (c) the output resistance Rof.

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