Derive AF, the forward loop voltage gain, for this circuit. (b) What is AF if R3 >> R4 and if R3 = 0?

1. This is a large-signal problem. Consider the op-amp(s) to be ideal.
0 V

R,
(a) Derive AF, the forward loop voltage gain, for this circuit. (b) What is AF if R3 >> R4 and if R3 = 0?

(c) Plot the magnitude of Vout vs. R3. Make sure to include the cases from

(b) in the plot.
R3

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