... ModelDG1022ChannelChannel 1Channel 2Standard waveformssine, square, saw tooth, pulse wave, white noise, DC, the index rose, fell, Sinc waves, heart rate ... 5 MHzPulse frequency500 μHz ~ 3 MHzSawtooth1 μHz ~ 150 kHzWhite noise bandwidth5 MHzArbitrary wave frequency1 μHz ~ 150 kHzArbitrary Waveform Length2 pts ... clean, low distortion signals.Products_quality RIGOL DG1022 Arbitrary Waveform Generator