Determine the output voltage from the diagram. Where V1=-4.3Vpp and V2 = -5.1Vpp sinewave at 1000hz.
A. 12 Vpp sinewave at 1000hz
B. 13.3 Vpp sinewave at 1000hz
C. 14 Vpp sinewave at 1000hz
D. 11 Vpp sinewave at 1000hz
Answer:A
Determine the output voltage from the diagram. Where V1=-4.3Vpp and V2 = -5.1Vpp sinewave at 1000hz.
A. 12 Vpp sinewave at 1000hz B. 13.3 Vpp sinewave at 1000hz C. 14 Vpp sinewave at 1000hz D. 11 Vpp sinewave at 1000hz
Explanation: In differential amplifier with two op-amp, R1=R3 and RF=R2. The closed loop voltage gain, AD = 1+( RF/ R1) = 1+(7.5kΩ/480Ω) = 16.62.