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What generates the final carrier frequency?

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in Avionics by (87.1k points)
What generates the final carrier frequency?

(a) Oscillator

(b) Modulator

(c) Antenna

(d) Power source

The question was posed to me at a job interview.

Query is from Radio Transmitters in portion Radio Transmitters, Communication Receivers, Multiplexing and Demultiplexing of Avionics

1 Answer

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Best answer
Right option is (a) Oscillator

The best explanation: An oscillator, in most applications a crystal oscillator, generates the final carrier frequency. A modulator simply adds the information signal and an antenna transmits the signal.

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