Exercise: Basic Op Amp Circuits

Questions for: Basic Op Amp Circuits

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
D:
Answer: A
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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: C
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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: D
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What type(s) of circuit(s) use comparators?
A:
summer
B:
nonzero-level detector
C:
averaging amplifier
D:
summer and nonzero-level detector
Answer: B
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What is (are) the necessary component(s) for the design of a bounded comparator?
A:
rectifier diodes
B:
zener diodes
C:
both of the above
D:
Answer: B
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