LIC-Integrator

What is the primary function of an integrator circuit?

• A. Amplify the input signal
• B. Differentiate the input signal
• C. Integrate the input signal
• D. Invert the input signal

What type of input signal is typically used with an integrator?

• A. Square wave
• B. Sine wave
• C. Triangle wave
• D. None of the above

What is the transfer function of an ideal op-amp integrator?

• A. Vout = Vin * R1/R2
• B. Vout = -Rf/Rin * Vin
• C. Vout = -1/(Rf*C) * ∫(Vin dt)
• D. Vout = Vin - Vref

What is the phase shift of an integrator circuit at the frequency where the gain is maximum?

• A. 0 degrees
• B. 90 degrees
• C. 180 degrees
• D. 270 degrees

What effect does a non-ideal op-amp have on an integrator circuit?

• A. Causes the output to be proportional to the input
• B. Causes the output to oscillate
• C. Causes the output to saturate
• D. Causes the output to drift over time

What is the purpose of the feedback capacitor in an integrator circuit?

• A. To provide a low-impedance path for the input signal
• B. To provide a high-impedance path for the output signal
• C. To integrate the input signal
• D. To provide a low-pass filter for the output signal

What is the effect of increasing the value of the feedback resistor in an integrator circuit?

• A. Increases the gain of the circuit
• B. Decreases the gain of the circuit
• C. Has no effect on the gain of the circuit
• D. Causes the circuit to become unstable

What is the effect of increasing the input frequency on an integrator circuit?

• A. Increases the gain of the circuit
• B. Decreases the gain of the circuit
• C. Has no effect on the gain of the circuit
• D. Causes the circuit to become unstable

What is the output of an integrator circuit when the input is a DC voltage?

• A. A constant voltage
• B. A sine wave
• C. A square wave
• D. No output

What is the time constant of an integrator circuit with a feedback capacitor of 100 nF and a feedback resistor of 10 kΩ?

• A. 1 ms
• B. 10 ms
• C. 100 ms
• D. 1 s