Electronics and Communication Engineering - Analog Electronics - Discussion

Discussion Forum : Analog Electronics - Section 19 (Q.No. 44)
44.
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.
AV = -R3/R1
R3/R1
R1/R3
1 + R3/R1
Answer: Option
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