CORE Generator DS558 K7 K 7 K-7 Kintex S3 S6 S 3 S 6 S-3 S-6 Spartan The DDS (Direct Digital Synthesizer) Compiler core sources sinusoidal waveforms for use in many applications. A DDS consists of a Phase Generator and a SIN/COS Lookup Table. V4 V5 V6 V7 V 4 V 5 V 6 V 7 V-4 V-5 V-6 V-7 Virtex direct digital synthesizer phase dithering phase generator phase to SIN/COS