1.Do we have DDS similar to AD9854? I mean which can produce quadrature o/ps.

2.Is AD9854 EVAL board uses USB port for connectivity with PC.

3.Can it be possible to make stepwise evaluation of  VPHS performance of ad8302  using phase controlled o/ps of AD9854?

4.What is highest o/p frequency producing DDS product available till date with 'AD' ?

Thanks and sincere regards,