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
