Following figure is a signal conditioning Amplifier, changes gain depe – McqOptions

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1.	Following figure is a signal conditioning Amplifier, changes gain depending upon the polarity of Vs. What will be circuit voltage gain for + Vs and for - Vs if D2 is ideal.
A.	AV = -R3/R1
B.	R3/R1
C.	R1/R3
D.	1 + R3/R1
Answer» B. R3/R1

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