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E7E01:Which of the following can be used to generate FM phone signals?

E7E01E7E

Which of the following can be used to generate FM phone signals?

Direct answer summary (2024-2028 NCVEC pool)

The official correct answer for E7E01 is Reactance modulation of a local oscillator.

The key fact is Reactance modulation of a local oscillator. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.

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More questions in E7E

E7E02What is the function of a reactance modulator?E7E03What is a frequency discriminator?E7E04What is one way to produce a single-sideband phone signal?E7E05What is added to an FM speech channel to boost the higher audio frequencies?E7E06Why is de-emphasis used in FM communications receivers?E7E07What is meant by the term “baseband” in radio communications?