DDS is very powerful and digitally simple device .
The problem is the output filter.
I don't see any application note that suggests ADA4432 ( Video SD filter with gain and good filter ) as output filter for AD9833 with max 25Mhz clock..
I am going use AD9834C at 75Mhz clock and need output filter.
As a filter i think about FMS6364A (Four Channel Standard & High Definition (SD &HD)Video Filter Driver .
The flatness looks good enough and minimum 40dB attenuation at 74,25Mhz
Cascading 2 drivers will give very sharp filter.
Had any one experience with HD video filters with DDS?