Discussion
Home ‣ Electronics ‣ Special-Purpose Op-Amp Circuits Comments
- Question
An isolation amplifier provides ac isolation between input and output.
Options- A. True
- B. False
- Correct Answer
- False
- 1. The main purpose of an instrumentation amplifier is to amplify small signals riding on large common-mode voltages.
Options- A. True
- B. False Discuss
- 2. One of the principal areas of application for an isolation amplifier is power plant instrumentation.
Options- A. True
- B. False Discuss
- 3. Typical isolation amplifiers use optical coupling.
Options- A. True
- B. False Discuss
- 4. OTA stands for Operational Transistor Amplifier.
Options- A. True
- B. False Discuss
- 5. Clampers are often called peak detectors.
Options- A. True
- B. False Discuss
- 6. An OTA is primarily a current-to-voltage amplifier.
Options- A. True
- B. False Discuss
- 7. To construct an instrumentation amplifier, two op-amps and seven resistors are needed.
Options- A. True
- B. False Discuss
- 8. The external resistor of a typical instrumentation amplifier is used to set the ________.
Options- A. impedance
- B. rejection ratio
- C. gain
- D. isolation Discuss
- 9. A voltage-to-current converter is used in applications where it's necessary to have an output load current that is controlled by _________.
Options- A. input frequency
- B. output resistance
- C. input voltage
- D. input resistance Discuss
- 10. A Schmitt trigger has _________.
Options- A. no trigger points
- B. one trigger point
- C. two trigger points
- D. three trigger points Discuss
Special-Purpose Op-Amp Circuits problems
Search Results
Correct Answer: True
Correct Answer: True
Correct Answer: False
Correct Answer: False
Correct Answer: False
Correct Answer: False
Correct Answer: False
Correct Answer: gain
Correct Answer: input voltage
Correct Answer: three trigger points
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