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  • Question

  • A voltage-follower op-amp has the output connected directly to the inverting input.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 

    • Operational Amplifiers problems

    Search Results

    • 1. The inverting input is pin 2.


    • Options
    • A. True
    • B. False
      • Discuss
    • 2. The difference between the upper and lower trigger points is called the Schmitt trigger.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. A monostable multivibrator must be triggered.

    • Options
    • A. True
    • B. False
      • Discuss
    • 4. If an input signal is applied to the inverting input of an op-amp with the noninverting input grounded, the output signal would be opposite in polarity with the input.

    • Options
    • A. True
    • B. False
      • Discuss
    • 5. If the two inputs to a differential amplifier are exactly the same, then the output is the signal multiplied by two.

    • Options
    • A. True
    • B. False
      • Discuss
    • 6. This circuit is a bandpass filter.


    • Options
    • A. True
    • B. False
      • Discuss
    • 7. 

      The voltage gain of the amplifier in the given circuit would increase if ______.


    • Options
    • A. the feedback resistor was decreased in value
    • B. the input voltage was increased
    • C. the input resistor was increased in value
    • D. None of the above
      • Discuss
    • 8. The common-mode rejection ratio (CMMR) is the ratio of _____ to ______.

    • Options
    • A. the differential voltage gain, the common-mode voltage gain
    • B. the differential power gain, the common-mode power gain
    • C. the ideal voltage gain, the actual voltage gain
    • D. signal voltage, noise voltage
      • Discuss
    • 9. 

      The input voltage must be ______ in the given circuit to obtain the given output voltage.


    • Options
    • A. 343 mV
    • B. 400 mV
    • C. 480 mV
    • D. 600 mV
      • Discuss
    • 10. The Q of a crystal _________.

    • Options
    • A. is extremely low
    • B. is about 40 or so in most cases
    • C. is extremely high
    • D. none of the above
      • Discuss

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