26. In a comparator with output bounding, what type of diode is used in the feedback loop?
(a) Schottky
(b) junction
(c) zener
(d) varactor
27. To reduce the effects of noise resulting in erratic switching of output states of a comparator, you can use
(a) the upper trigger point.
(b) the lower trigger point.
(c) nonzero-level detection.
(d) hysteresis.
28. Nota
29. If the value of resistor Rf in an averaging amplifier circuit is equal to the value of one input resistor divided by the number of inputs, the output will be equal to
(a) the average of the individual inputs
(b) the inverted sum of the individual inputs
(c) the sum of the individual inputs
(d) the inverted average of the individual inputs
30. A digital-to-analog converter is an application of the
(a) scaling adder
(b) voltage-to-current converter
(c) noninverting amplifier
(d) adjustable bandwidth circuit
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