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Home Shop Electronic Test and Instrumentation

Understanding Direct Digital Synthesis (DDS)

Updated Apr 19, 2023

Overview

Learn the fundamentals and theory behind direct digital synthesis and how it applies to function generators and arbitrary function generators.

This white paper is part of our Instrument Fundamentals Series.

Download the White Paper

Topics Covered

Introduction to Direct Digital Synthesis (DDS)
Theory of operation: sample clock, phase accumulator, lookup table
Common applications

Next Steps

Learn about NI PXI arbitrary and function generators for automated characterization, validation, and production test
Learn about VirtualBench, an all-in-one instrument for interactive benchtop design and validation
Configure your test system using our online PXI advisor