FCC Question Pool Review

Amateur Extra Class (Element 4) • 2024-2028

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Question E8D05

From subelement E8 - E8D

E8D05
Answer: A

What is the most common method of reducing key clicks?

AIncrease keying waveform rise and fall times
BInsert low-pass filters at the transmitter output
CReduce keying waveform rise and fall times
DInsert high-pass filters at the transmitter output