A comparator using positive feedback is usually called a
A) tunnel oscillator.
B) Schmitt trigger.
C) triac trigger.
D) differentiator.

Question

Quizplus · Accepted Answer

A Schmitt trigger is a type of comparator that uses positive feedback to generate hysteresis, allowing it to have two distinct threshold levels for its output. This makes the Schmitt trigger useful for applications such as debouncing and waveform shaping. The other options listed (A, C, D) do not accurately describe a comparator using positive feedback.

A Comparator Using Positive Feedback Is Usually Called a