QWe are currently using an AD9959 DDS evaluation board. I am
interested in clocking the system using the external quartz option.
Could you please suggest an option for the quartz crystal?
AWe do not recommend a specific manufacturer, but Ecliptek, Epson, Vari-L,
Connor-Winfield, Wenzel, and Valpey-Fisher are known as sources for high
The following application note may be of some help: