FCC Question Pool Review

Amateur Extra Class (Element 4) • 2024-2028

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Question E7H06

From subelement E7 - E7H

E7H06
Answer: B

Which of these functions can be performed by a phase-locked loop?

AWide-band AF and RF power amplification
BFrequency synthesis and FM demodulation
CPhotovoltaic conversion and optical coupling
DComparison of two digital input signals and digital pulse counting