The purpose of a comparator is to ________.
A)detect the occurrence of a changing input voltage
B)produce a change in output when an input voltage equals a reference voltage
C)maintain a constant output when the dc inputVoltage changes
D)amplify an input voltage

Question

Quizplus · Accepted Answer

A comparator is designed to compare two voltages and produce an output that indicates which of the two is higher. It changes its output state when one of the input voltages (usually the variable input voltage) crosses the threshold set by the other input (the reference voltage).

The Purpose of a Comparator Is to ________