CpE 2201 and CpE 2204 Quiz
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Questions and Answers

What type of circuit is known for measuring the rate of change of the input voltage?

  • Integrator
  • Non-inverting amplifier
  • Differentiator (correct)
  • Summing amplifier

    • What type of diode is commonly used in the feedback loop of a comparator with output bounding?

  • Schottky diode
  • Varactor diode
  • Zener diode (correct)
  • Junction diode

    • How many op-amps are required to implement the equation Vo = V1 + 2*V2?

  • 1
  • 2 (correct)
  • 3
  • 4

    • What type of filter rejects all frequencies within a specified band and passes all those outside this band?

    <p>Band-stop filter</p> Signup and view all the answers

    What type of filter has a frequency response curve as shown in the figure?

    <p>Band-pass filter</p> Signup and view all the answers

    What type of filter passes all frequencies within a band between a lower and upper critical frequency and rejects all others outside this band?

    <p>Band-pass filter</p> Signup and view all the answers

    Which condition must be satisfied for self-sustained oscillations to result?

    <p>βA = 2/2</p> Signup and view all the answers

    What type of oscillator is the circuit?

    <p>Phase-shift</p> Signup and view all the answers

    What is the attenuation of the three-section RC feedback phase-shift oscillator?

    <p>1/9</p> Signup and view all the answers

    Where is the feedback signal derived from in a Colpitts oscillator?

    <p>Capacitive voltage divider</p> Signup and view all the answers

    Which type of feedback is shown below?

    <p>Voltage series feedback</p> Signup and view all the answers

    What is the output signal of an op-amp in relation to its input signal connected to the inverting input terminal?

    <p>180º out of phase</p> Signup and view all the answers

    What is the resonant frequency of the oscillator if R1 = 25 k, R2 = 40 k, C1 = 0.001 μF, and C2 = 0.002 μF?

    <p>3558.8127 kHz</p> Signup and view all the answers

    What is the output voltage if V1 = V2 = 0.15 V?

    <p>-6.45 V</p> Signup and view all the answers

    What is the value of Rf required for the phase-shift oscillator?

    <p>136.3 kΩ</p> Signup and view all the answers

    What is the center frequency of the filter?

    <p>4949.4832 Hz</p> Signup and view all the answers

    What is the Quality Factor of the filter?

    <p>1.2862</p> Signup and view all the answers

    What is the result of negative feedback in an amplifier?

    <p>decreased voltage gain</p> Signup and view all the answers

    Where are operational amplifiers (op-amps) used?

    <p>In all of the above</p> Signup and view all the answers

    What happens to the phase of the feedback voltage in an oscillator?

    <p>It has no net phase shift</p> Signup and view all the answers

    What type of filter can be created by cascading a high-pass filter and a low-pass filter?

    <p>Band-pass filter</p> Signup and view all the answers

    What is the roll-off of a second-order filter?

    <p>-20 dB/decade</p> Signup and view all the answers

    What does the common-mode rejection ratio (CMRR) measure?

    <p>An op-amp's ability to reject common-mode input signals</p> Signup and view all the answers

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