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Amateur Extra Class (Element 4) • 2024-2028

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Question E7E10

From subelement E7 - E7E

E7E10
Answer: A

How does a diode envelope detector function?

ABy rectification and filtering of RF signals
BBy breakdown of the Zener voltage
CBy mixing signals with noise in the transition region of the diode
DBy sensing the change of reactance in the diode with respect to frequency