FCC Question Pool Review

Amateur Extra Class (Element 4) • 2024-2028

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Question E4E09

From subelement E4 - E4E

E4E09
Answer: C

What undesirable effect can occur when using a noise blanker?

AReceived audio in the speech range might have an echo effect
BThe audio frequency bandwidth of the received signal might be compressed
CStrong signals may be distorted and appear to cause spurious emissions
DFM signals can no longer be demodulated