Explanation: The value of power supply for 741 op-amp=±15v. Therefore, the ideal maximum output voltage swing for an AC amplifier with single power supply = +Vcc = +15v. 6. Determine the lower cut-off frequency of the circuit.
A. 21.3Hz
B. 12.15Hz
C. 1.35Hz
D. None of the mentioned
Answer:A
Explanation: The value of power supply for 741 op-amp=±15v. Therefore, the ideal maximum output voltage swing for an AC amplifier with single power supply = +Vcc = +15v. 6. Determine the lower cut-off frequency of the circuit.
A. 21.3Hz B. 12.15Hz C. 1.35Hz D. None of the mentioned
Explanation: The input resistance of the amplifier is RIF =(R2 ||R3) || [ri×(1+AB)] –> equ 1