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Special-Purpose Op-Amp Circuits problems

  • 1. The voltage gain of an OTA can be calculated using the formula

  • Options
  • A.
  • B.
  • C.
  • D.
    • Discuss
  • 2. Electronics Special-Purpose Op-Amp Circuits: Refer to Figure 2
    Refer to Figure 20-2. This circuit is a setup for

  • Options
  • A. an antilog amplifier
  • B. a constant-current source
  • C. an instrumentation amplifier
  • D. an isolation amplifier
    • Discuss
  • 3. Electronics Special-Purpose Op-Amp Circuits: Which circuit i

    Which circuit is known as a current-to-voltage converter?


  • Options
  • A. a
  • B. b
  • C. c
  • D. d
    • Also asked in: AIEEE, Bank Exams

    • Discuss
  • 4. In the classic three-op-amp instrumentation amplifier, the differential voltage gain is usually produced by the

  • Options
  • A. first stage
  • B. second stage
  • C. mismatched resistors
  • D. output op-amp
    • Discuss
  • 5. Circuits that shift the dc level of a signal are called

  • Options
  • A. limiters
  • B. clampers
  • C. peak detectors
  • D. dc converters
    • Discuss
  • 6. An instrumentation amplifier has a high

  • Options
  • A. output impedance
  • B. power gain
  • C. CMRR
  • D. supply voltage
    • Discuss
  • 7. The primary function of the oscillator in an isolation amplifier is to

  • Options
  • A. convert dc to high-frequency ac
  • B. convert dc to low-frequency ac
  • C. rectify high-frequency ac to dc
  • D. produce dual-polarity dc voltages for the input to the demodulator
    • Discuss
  • 8. Electronics Special-Purpose Op-Amp Circuits: Refer the given

    Refer the given circuits. Which circuit is known as an OTA?


  • Options
  • A. a
  • B. b
  • C. c
  • D. d
    • Discuss
  • 9. Electronics Special-Purpose Op-Amp Circuits: This circuit is

    This circuit is a setup for


  • Options
  • A. an antilog amplifier
  • B. a constant-current source
  • C. an instrumentation amplifier
  • D. an isolation amplifier
    • Discuss
  • 10. When using an OTA in a Schmitt-trigger configuration, the trigger points are controlled by

  • Options
  • A. the Iout
  • B. the IBIAS
  • C. the Vout
  • D. both Iout and IBIAS
    • Discuss

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