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Compute the output voltage for the given circuit

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+1 vote
in Linear Integrated Circuits by (37.1k points)
Compute the output voltage for the given circuit

(a) -2.6v

(b) -27.8v

(c) -26.7v

(d) -0.267v

The question was asked by my college professor while I was bunking the class.

Question is from Voltage Shunt Feedback Amplifier topic in division Operational Amplifier Characteristics of Linear Integrated Circuits

1 Answer

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by (39.8k points)
The correct answer is (c) -26.7v

Expand on the concept with: The given circuit is a current to voltage converter. Since V1 =0v and V1= V2.

=> iin = Vin/R1 = 4/ 1.5kΩ =2.67mA.

The output voltage Vo = -iin*RF = -2.67mA*10kΩ = -26.7v.

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