ADI - DDStutorA Technical Tutorial on Digital Signal Synthesis Copyright 1999 Analog Devices, Inc. 1 Outline Section 1. Fundamentals of DDS technology Theory of operation Circuit architecture Tuning equation Elements of DDS circuit functionality and capabilities DAC integration Trends in functional integration Section 2. Understanding the Sampled Output of a DDS Output Implications of the Nyquist Theorum Aliased images in the output Source of aliased images Calculating the occurrence of aliased images Quantization considerations Sin(X)/X response AC and DC linearity of the output Section 3. Frequency/phase-hopping Capability of DDS Calculating the output tuning word Determining maximum tuning resolution Determining maximum tuning speed Understanding the DDS control interface Pre-programming profil……