Using DDS direct digital synthesis technology to produce accurate, stable, low-distortion output signal; CH1 and CH2 two channels completely symmetrical, each channel parameters can be set independently. Support user-defined waveforms, each set of arbitrary wave storage depth of 2048 * 12bits, 250MSa / s sampling rate; Waveform generator up to 12 bits wide, the output waveform is more delicate, the waveform distortion is reduced order of magnitude The NC includes a function to display and adjust the digital phase current output signal amplitude, offset, frequency, duty cycle and the two signals