FCC Question Pool Review

Amateur Extra Class (Element 4) • 2024-2028

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Question E4A05

From subelement E4 - E4A

E4A05
Answer: D

What is the purpose of using a prescaler with a frequency counter?

AAmplify low-level signals for more accurate counting
BMultiply a higher frequency signal so a low-frequency counter can display the operating frequency
CPrevent oscillation in a low-frequency counter circuit
DReduce the signal frequency to within the counter's operating range