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Analog circuits miscellaneous

  1. In circuit shown in the figure if input voltage vi is 0.2 V, then output voltage v0 is ______ V
    1. 3
    2. 5
    3. 6
    4. 9
Correct Option: C

Gain of first stage, Av1 = -
50
= -5
10

Gain of first stage, Av2 = -
150
= -6
25

Total gain Av =Av1 Av2 = 30
v0 = 30 × 0.2 = 6 V



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