Quick questions on Comparators, positive feedback and the Schmitt trigger - Eduqas A-Level Electronics

3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is q1?

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State what an op-amp comparator does. [2 marks]

What is q2?

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State the type of feedback used in a Schmitt trigger. [1 mark]

What is q3?

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A Schmitt trigger has thresholds at

3.0\ \text{V}

and

5.0\ \text{V}

. State its hysteresis. [1 mark]

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