FCC Question Pool Review

Amateur Extra Class (Element 4) • 2024-2028

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Question E8A04

From subelement E8 - E8A

E8A04
Answer: B

What is “dither” with respect to analog-to-digital converters?

AAn abnormal condition where the converter cannot settle on a value to represent the signal
BA small amount of noise added to the input signal to reduce quantization noise
CAn error caused by irregular quantization step size
DA method of decimation by randomly skipping samples