FCC Question Pool Review

General Class (Element 3) • 2023-2027

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Question G4B04

From subelement G4 - G4B

G4B04
Answer: D

What signal source is connected to the vertical input of an oscilloscope when checking the RF envelope pattern of a transmitted signal?

AThe local oscillator of the transmitter
BAn external RF oscillator
CThe transmitter balanced mixer output
DThe attenuated RF output of the transmitter