I want to replace a function generator I have with a DDs that holds a fixed frequency. I bought the AD9956 evaluation board but it can only reach frequiencies of 400MHz with the reference clock. The VCO isn't populated I haven't found any VCO's that suit what I am looking for. If anyone knows of a way I can reach 1.5 - 1.6 GHz with a DDs I would be very interested in knowing how.
Thank you for your help.