For the differential amplifier given below, determine the Vx and RF value. Assume that the circuit is initially nulled.
A. Vx= -8v, RF = 9.9kΩ
B. Vx= 8v, RF = 9.9kΩ
C. Vx= -8v, RF = -9.9kΩ
D. Vx= 8v, RF = -9.9kΩ
Answer:A
For the differential amplifier given below, determine the Vx and RF value. Assume that the circuit is initially nulled.
A. Vx= -8v, RF = 9.9kΩ B. Vx= 8v, RF = 9.9kΩ C. Vx= -8v, RF = -9.9kΩ D. Vx= 8v, RF = -9.9kΩ
Explanation: The closed loop voltage gain, AD = -(RF/R1)