Saelig’s two dual-channel function/arbitrary waveform generators, the SDG1005 and SDG1050, feature direct digital synthesis technology, providing stable, high-precision, low-distortion signals. In addition to sine waves, they provide square waves with fast rising and falling edges, pulse and ramp waveforms, white noise, and arbitrary waveforms. Also featured is built-in AM, FM, PM, PWM, and FSK modulation, without requiring an external modulating source, and both units can also function as a 200-MHz frequency counter. The signal generators feature 125-MSa/s sample rate, 14-bit resolution, and 16-Kpts waveform record length. The units can interconnect with matching SDS1000 digital oscilloscopes for remote-controlled testing and for directly reading and reconstructing stored scope waveforms.