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Reference
2-8 AFG3000 Series Arbitrary/Function Generators Reference Manual
Phase Modulation. Phase modulation is similar to FM (Frequency modulation), but
in PM, the phase of the carrier waveform is varied by the amplitude of the modu-
lating waveform.
Frequency Shift Keying. Frequency shift keying modulation is a modulation tech-
nique that shifts the output signal frequency between two frequencies: the carrier
frequency and the FSK Hop frequency.
Pulse Width Modulation. Pulse width modulation is a modulation technique in
which the width of a pulse waveform is varied by the voltage of the modulating
waveform.