| Model | Frequency Range Min. | Frequency Range Max. | Freq. Resolution | Waveform Outputs | Modulation |
| DS335 | 1.0 mHz | 3.1 MHz | 1 mHz | Sine, Square, Ramp, Triangle, Noise | FSK |
DS340 | 1.0 mHz | 15.1 MHz | 1 mHz | Sine, Square, Ramp, Triangle, Noise | FSK | DS345 | 1.0 mHz | 30.2 MHz | 1 mHz | Sine, Square, Ramp, Triangle, Noise | AM, FM, Burst, PM | DS360 | 1.0 mHz | 200.0 kHz | 1 mHz | Sine, Square, White noise, Pink noise | ? |