R1=R3=1.5kΩ ; RF=R2=5.7kΩ. Compute the input resistance for the following circuit.
A. RIFx = 83GΩ, RIFy = 317GΩ
B. RIFx = 90GΩ, RIFy = 400GΩ
C. RIFx = 59GΩ, RIFy = 269GΩ
D. RIFx = 36GΩ, RIFy = 156GΩ
Answer:A
R1=R3=1.5kΩ ; RF=R2=5.7kΩ. Compute the input resistance for the following circuit.
A. RIFx = 83GΩ, RIFy = 317GΩ B. RIFx = 90GΩ, RIFy = 400GΩ C. RIFx = 59GΩ, RIFy = 269GΩ D. RIFx = 36GΩ, RIFy = 156GΩ
Explanation: The input resistance of the first stage is given as RIFy,