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  • Question

  • The critical frequency for the active filter in the given circuit is approximately _______. 20.1 kHz

    The critical frequency for the active filter in the given circuit is approximately _______.


  • Options
  • A. 20.1 kHz
  • B. 89.3 kHz
  • C. 14.2 kHz
  • D. 179 kHz

  • Correct Answer
  • 20.1 kHz 

    • Basic Op-Amp Circuits problems

    Search Results

    • 1. 

      In the given circuit, if Rf is reduced to 8 kΩ, the circuit becomes the ______.


    • Options
    • A. digital-to-analog converter
    • B. averaging amplifier
    • C. scaling adder
    • D. summing amplifier with gain greater than unity
      • Discuss
    • 2. 

      The given circuit is a two-pole, active ______ filter.


    • Options
    • A. high-pass
    • B. low-pass
    • C. band-pass
    • D. band-stop
      • Discuss
    • 3. 

      The rate of change of the output voltage in the given circuit equals ______.


    • Options
    • A. 40 mV/µs
    • B. 5 V/µs
    • C. 0 V/µs
    • D. 40 V/µs
      • Discuss
    • 4. A mathematical operation for finding the area under the curve of a graph is called __________.

    • Options
    • A. differentiation
    • B. integration
    • C. curve averaging
    • D. linear regression
      • Discuss
    • 5. A mathematical operation that determines the rate of change of a curve is called __________.

    • Options
    • A. differentiation
    • B. integration
    • C. curve averaging
    • D. linear regression
      • Discuss
    • 6. Above the critical frequency (fc) of a low-pass filter, the output voltage gain _______.

    • Options
    • A. does not change
    • B. doubles for every 1 kHz increase in frequency
    • C. increases
    • D. decreases
      • Discuss
    • 7. Pressure transducers are devices that exhibit a change in resistance inversely proportional to a change in pressure.

    • Options
    • A. True
    • B. False
      • Discuss
    • 8. Thermocouple connections must be taken into account to ensure a high degree of accuracy.

    • Options
    • A. True
    • B. False
      • Discuss
    • 9. The change in value of the analog signal during the sampling process produces what is called the quantization error.

    • Options
    • A. True
    • B. False
      • Discuss
    • 10. A basic sample-and-hold circuit consists of an analog switch, a capacitor, and an instrumentation amplifier.

    • Options
    • A. True
    • B. False
      • Discuss

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