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Home ‣ Electronics ‣ Special-Purpose Op-Amp Circuits Comments
- Question
One of the principal areas of application for an isolation amplifier is power plant instrumentation.
Options- A. True
- B. False
- Correct Answer
- True
- 1. Typical isolation amplifiers use optical coupling.
Options- A. True
- B. False Discuss
- 2. OTA stands for Operational Transistor Amplifier.
Options- A. True
- B. False Discuss
- 3. Clampers are often called peak detectors.
Options- A. True
- B. False Discuss
- 4. Isolation amps are named as such because they are sealed for protection from outside environmental damage.
Options- A. True
- B. False Discuss
- 5. In order to sustain oscillations in a feedback oscillator, the gain should be _________ so the product of Av × B equals_______.
Options- A. reduced, one
- B. reduced, less than one
- C. increased, more than one
- D. increased, much greater than one Discuss
- 6. The main purpose of an instrumentation amplifier is to amplify small signals riding on large common-mode voltages.
Options- A. True
- B. False Discuss
- 7. An isolation amplifier provides ac isolation between input and output.
Options- A. True
- B. False Discuss
- 8. An OTA is primarily a current-to-voltage amplifier.
Options- A. True
- B. False Discuss
- 9. To construct an instrumentation amplifier, two op-amps and seven resistors are needed.
Options- A. True
- B. False Discuss
- 10. The external resistor of a typical instrumentation amplifier is used to set the ________.
Options- A. impedance
- B. rejection ratio
- C. gain
- D. isolation Discuss
Special-Purpose Op-Amp Circuits problems
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Correct Answer: False
Correct Answer: False
Correct Answer: False
Correct Answer: False
Correct Answer: reduced, one
Correct Answer: True
Correct Answer: False
Correct Answer: False
Correct Answer: False
Correct Answer: gain
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