[reprint]All About Direct Digital Synthesis

[reprint]All About Direct Digital Synthesis


Direct digital synthesis (DDS) is a method of producing an analog waveform—usually a sine wave—by generating a time-varying signal in digital form and then performing a digital-to-analog conversion. Because operations within a DDS device are primarily digital, it can offer fast switching between output frequencies, fine frequency resolution, and operation over a broad spectrum of frequencies. With advances in design and process technology, today’s DDS devices are very compact and draw little power.

What is Direct Digital Synthesis?


A post-graduate in USTC.

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