Model WW1281A 
1.2GS/s Single-Channel Arbitrary Waveform Generator
The 1281A, Single Channel Frequency Agile Waveform Synthesizer, combines industry-leading 1.2GS/s sample clock performance, frequency agility and modulation capability in a stand-alone package. Capable of generating waveforms from 1Hz to 400MHz the 1281A supports test stimulus demands of the information age, applications requiring clear tone separation and less than 700ps transition time.