DDS Function Generator series 
  1μHz high frequency resolution maintained at 
full range 
  20ppm frequency stability 
  Arbitrary Waveform Capability 
  200 MSa/s sample rate  
  100 MSa/s repetition rate 
  16k-point waveform length 
  10 groups of 16k waveform memories  
  True waveform output to display 
  User-defined output section 
  User-defined marker output section