# Basic Op Amp Circuits – Exercise – 1

Exercise – 1

1. A Schmitt trigger is

(a) a comparator with only one trigger point.
(b) a comparator with hysteresis.
(c) a comparator with three trigger points.
(d) none of the above.

Explanation
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2. The output of a Schmitt trigger is a

(a) pulse waveform.
(b) sawtooth waveform.
(c) sinusoidal waveform.
(d) triangle waveform.

Explanation
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3. Nota

4. Nota

5. Nota

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