Basic Op-Amp Circuits - General Question (6)

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Basic Op-Amp Circuits - General Question

41.

An op-amp has an open-loop gain of 90,000. V_sat = ±13 V. A differential voltage of 0.1 V _p-p is applied between the inputs. What is the output voltage?

A.	13 V
B.	â€“13 V
C.	13 Vp-p
D.	26 Vp-p

Answer: Option D

Explanation:

No answer description available for this question.

42.

What circuit produces an output that approximates the area under the curve of an input function?

A.	integrator
B.	differentiator
C.	summing amplifier
D.	comparator

Answer: Option A

Explanation:

No answer description available for this question.

43.

In a flash A/D converter, the priority encoder is used to

A.	select the first input.
B.	select the highest value input.
C.	select the lowest value input.
D.	select the last input.

Answer: Option B

Explanation:

No answer description available for this question.

44.

Refer to the given figure. If V_in = 5 V, the rate of change of the output voltage in response to a single pulse input is:

mcq13_1015_1b (2)

A.	15.2 mV/ s
B.	1.52 V/ s
C.	1.52 mV/ s
D.	15.2 V/ s

Answer: Option C

Explanation:

No answer description available for this question.

45.

In a(n) ________, when the input voltage exceeds a specified reference voltage, the output changes state.

A.	integrator
B.	differentiator
C.	summing amplifier
D.	comparator

Answer: Option D

Explanation:

No answer description available for this question.

46.

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

mcq13_1013_1a

A.	V(out)max
B.	â€“V(out)max
C.	â€“1.41 V
D.	+1.41 V

Answer: Option D

Explanation:

No answer description available for this question.

47.

A comparator with a Schmitt trigger has

A.	two trigger levels.
B.	a fast response.
C.	a slow response.
D.	one trigger level.

Answer: Option A

Explanation:

No answer description available for this question.

48.

If an op-amp comparator has a gain of 100,000, an input difference of 0.2 mV above reference, and a supply of plusminus 12 V, the output will be

A.	20 V.
B.	12 V.
C.	10 V.
D.	15 V.

Answer: Option B

Explanation:

No answer description available for this question.

Basic Op-Amp Circuits - General Question (6)

Basic Op-Amp Circuits - General Question

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