How is direct binary FSK generated?
AnswerBy changing an oscillator frequency directly with a digital control signal.
FSK represents data with discrete carrier frequencies; direct FSK shifts the RF oscillator itself.
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G8 · Signals and Emissions
General · correct answers only, in question-pool order.
What modulation changes the phase angle of an RF signal to convey information?
AnswerPhase modulation (PM).
In PM, information is represented by controlled changes in carrier phase.