Exercise: Basic Op Amp Circuits

Questions for: Basic Op Amp Circuits

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

A:
V(out)max
B:
–V(out)max
C:
–1.41 V
D:
+1.41 V
Answer: D
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A comparator with a Schmitt trigger has
A:
two trigger levels.
B:
a fast response.
C:
a slow response.
D:
one trigger level.
Answer: A
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If an op-amp comparator has a gain of 100,000, an input difference of 0.2 mV above reference, and a supply of 12 V, the output will be
A:
20 V.
B:
12 V.
C:
10 V.
D:
15 V.
Answer: B
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Refer to the given figure. What is the output voltage?

A:
2 V
B:
–2 V
C:
+Vsat
D:
–Vsat
Answer: D
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Refer to the given figure. A square-wave input is applied to this amplifier. The output voltage is most likely to be

A:
a square wave.
B:
a triangle wave.
C:
a sine wave.
D:
no output.
Answer: B
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