Signal Generator, DDS Function, Sine Wave Range 0.1 Hz to 7 MHz, Square Wave Range 0.1 Hz to 7 MHz, Other Waveform Range Triangle 0.1 to 7 MHz, Sine Wave Distortion DC – 100 kHz, -55 dBc,100 kHz – 1 MHz, Less Than -45 dBc,1 MHz – 7 MHz, Less Than-30 dBc, Sq.