V2 15Vde U1A OU R1 R3 1k V- LM324 1k V3 V1 15Vdc | VOFF = 0 VAMPL = 1 FREQ = 2k AC = 0 Figure 4. Operational amplifier circuit.

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- V2
15Vdo
3
U1A
R1
2
1k
V-
LM324
1k
V3
15Vde |
VOFF = 0
VAMPL = 1
FREQ = 2k
AC = 0
0.
R2
Figure 4. Operational amplifier circuit.
What frequency does the output voltage (across R3) have?
What is the amplitude of the output voltage?
From the output waveform and the input waveform, determine the gain of the op-amp circuit.
Does this match with what you predicted?
How could you change this circuit so that the output voltage would be nearly the same as the
input voltage? What purpose would that serve? Can you modify the existing circuit and verify
this experimentally?
What is the phase difference between the output and input voltage?
Derive the transfer function for the output-input relationship for the operational amplifier. How
would the gain and the output change if a capacitor were in the feedback path instead of a
resistor? (Examine the circuit using phasors and impedance and circuit analysis techniques).
-w-
Transcribed Image Text:- V2 15Vdo 3 U1A R1 2 1k V- LM324 1k V3 15Vde | VOFF = 0 VAMPL = 1 FREQ = 2k AC = 0 0. R2 Figure 4. Operational amplifier circuit. What frequency does the output voltage (across R3) have? What is the amplitude of the output voltage? From the output waveform and the input waveform, determine the gain of the op-amp circuit. Does this match with what you predicted? How could you change this circuit so that the output voltage would be nearly the same as the input voltage? What purpose would that serve? Can you modify the existing circuit and verify this experimentally? What is the phase difference between the output and input voltage? Derive the transfer function for the output-input relationship for the operational amplifier. How would the gain and the output change if a capacitor were in the feedback path instead of a resistor? (Examine the circuit using phasors and impedance and circuit analysis techniques). -w-
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