Voltcraft dds 3025 pc function generator voltcraft dds 3025 p the voltcraft dds 3025 is a pc function generator that works in conjunction with a windows reg compatible computer with a usb interface the dds 3025 is a well equipped arbitrary dds function generator with the additional advantage that the data can be stored and further processed p p the device has an output channel and can produce arbitrary waveforms up to 25mhz and sine signals can be generated and output to 50mhz the sc