AD9851 Clock frequency up to 180MHz, AD9851 has 6 octave. AD9851: 0-70MHz. 1 x AD9851 DDS Signal Generator Module 0-70MHz 2 Sine Wave and 2 Square Wave NEW. AD9851 module Using 30MHZ Active crystal. Low-pass filter with 70MHz, so the waveform better than SN.
eBay