Electronic Devices - Basic Op-Amp Circuits

Exercise :: Basic Op-Amp Circuits - General Questions

21. 

Refer to the given figure. What is the output voltage?

A. 0.5 V
B. –0.5 V
C. 2 V
D. –2 V

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

22. 

What type(s) of circuit(s) use comparators?

A. summer
B. nonzero-level detector
C. averaging amplifier
D. summer and nonzero-level detector

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

23. 

A differentiator is used to measure

A. the sum of the input voltages.
B. the difference between two voltages.
C. the area under a curve.
D. the rate of change of the input voltage.

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

24. 

Refer to the given figure. Determine the lower trigger point.

A. +V(out)max
B. –V(out)max
C. –2.47 V
D. +2.47 V

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

25. 

A(n) ________ amplifier is a summing amplifier with a closed-loop gain equal to the reciprocal of the number of inputs.

A. averaging
B. scaling
C. none of the above

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.