Direct digital synthesis

A DDS function generator.

Direct digital synthesis (DDS) is a method employed by frequency synthesizers used for creating arbitrary waveforms from a single, fixed-frequency reference clock. DDS is used in applications such as signal generation, local oscillators in communication systems, function generators, mixers, modulators,[1] sound synthesizers and as part of a digital phase-locked loop.[2]

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  2. ^ Cite error: The named reference RFDesign July 2007 was invoked but never defined (see the help page).