FCC Question Pool Review

Amateur Extra Class (Element 4) • 2024-2028

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Question E4C10

From subelement E4 - E4C

E4C10
Answer: C

What is an advantage of having a variety of receiver bandwidths from which to select?

AThe noise figure of the RF amplifier can be adjusted to match the modulation type, thus increasing receiver sensitivity
BReceiver power consumption can be reduced when wider bandwidth is not required
CReceive bandwidth can be set to match the modulation bandwidth, maximizing signal-to-noise ratio and minimizing interference
DMultiple frequencies can be received simultaneously if desired