Extra Exam

Question: E6C01

Question: What is the function of hysteresis in a comparator?

1. To prevent input noise from causing unstable output signals
2. To allow the comparator to be used with AC input signals
3. To cause the output to continually change states
4. To increase the sensitivity

Correct Answer: A

For more questions that might appear on an Amateur Radio license examination, click on the "practice exams" link on the left panel.