7. Let us consider the following circuit: V1- V2- Va R₁ www R₂ R₁ R₂ R₁ Vb ww RE RE www -Vout (a) Find V₂ and V, in terms of V₁, V₂, R₁, and R₂ . a (b) Find Vout in terms of V₁, V₂, R₁, R₂, R₁, and RF. (Hint: use your expression for V₁ and V₁ and your results from problem 2) (c) How does the function of the circuit compare to that of problem 2? How does this circuit improve on the circuit in problem 2? RE (d) Assume == , and assume that the op-amps in the above circuit are all powered by positive supply voltages +Vcc=5V and negative supply voltages -Vcc = -5V. Additionally, take V₁ = -4V, and V₂ = V₂cos(wt), where V₂ = 2V and w = 2*pi* 1kHz. Draw a plot of Vout- Label the vertical and horizontal axes, specifically label the minimum and maximum voltages of Vout as well as the period of the output waveform.

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7. Let us consider the following circuit:
V1-
V2-
H
R₁
Va www
WTWT
R₂
R₁
R2 Ri
Vb
www
RE
RE
www
-Vout
(a) Find V and V₁ in terms of V₁, V₂, R₁, and R₂ -
a
(b) Find Vout in terms of V₁, V₂, R₁, R₂, R₁, and RF.
(Hint: use your expression for V₁ and V and your results from problem 2)
(c) How does the function of the circuit compare to that of problem 2? How does this circuit
improve on the circuit in problem 2?
(d) Assume=1=, and assume that the op-amps in the above circuit are all powered
by positive supply voltages +Vcc= 5V and negative supply voltages -Vcc= -5V.
Additionally, take V₁ = -4V, and V₂ = V₂cos(wt), where V₂ = 2V and w = 2*pi* 1kHz. Draw a
plot of Vout. Label the vertical and horizontal axes, specifically label the minimum and
maximum voltages of Vout as well as the period of the output waveform.
Transcribed Image Text:7. Let us consider the following circuit: V1- V2- H R₁ Va www WTWT R₂ R₁ R2 Ri Vb www RE RE www -Vout (a) Find V and V₁ in terms of V₁, V₂, R₁, and R₂ - a (b) Find Vout in terms of V₁, V₂, R₁, R₂, R₁, and RF. (Hint: use your expression for V₁ and V and your results from problem 2) (c) How does the function of the circuit compare to that of problem 2? How does this circuit improve on the circuit in problem 2? (d) Assume=1=, and assume that the op-amps in the above circuit are all powered by positive supply voltages +Vcc= 5V and negative supply voltages -Vcc= -5V. Additionally, take V₁ = -4V, and V₂ = V₂cos(wt), where V₂ = 2V and w = 2*pi* 1kHz. Draw a plot of Vout. Label the vertical and horizontal axes, specifically label the minimum and maximum voltages of Vout as well as the period of the output waveform.
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