(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.

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1. This is a large-signal problem. Consider the op-amp(s) to be ideal.
Vout
Vin
R3
W
R₁
OV
T
www
R4
R₂
Vout
(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
Transcribed Image Text:1. This is a large-signal problem. Consider the op-amp(s) to be ideal. Vout Vin R3 W R₁ OV T www R4 R₂ Vout (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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