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Find the output voltage for differential amplifier, Where Vin->Induced input noise.

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in Linear Integrated Circuits by (38.2k points)
Find the output voltage for differential amplifier, Where Vin->Induced input noise.

(a) VO= -[(RF/R1)×Vd]+Vno

(b) VO= -(RF/R1)×(Vd/Vno)

(c) VO= -[(RF/R1)×Vd]-Vno

(d) VO= -[(RF/R1)×Vd]×Vno

I got this question by my college professor while I was bunking the class.

My doubt stems from Noise in portion Practical Limitations of Op Amp Circuits of Linear Integrated Circuits

1 Answer

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by (39.8k points)
The correct choice is (a) VO= -[(RF/R1)×Vd]+Vno

Explore the finest explanation: As the input of the differential amplifier is provided with induced noise voltage, the output voltage will be equal to Vo=-[(RF/R1)×Vd]+Vno

Where Vno–> Output noise.

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