? Adopt the Direct Digital Synthesizer (DDS) technology and provide stable, precise, pure and low distortion signals. The instrument uses 14-bit high-speed D/A converter chip (5Vpp output quantization error is less than 1mV), 250MSa/s sample rate, 14bits vertical resolution. Enable to store 64 arbitrary waveform data files, each one of waveform storage depth 8192 points * 14bits ? 2.4 inch TFT Color LCD with 320x240 resolution, displaying parameters and graphics of the two channels at the same time. Fully independent dual-channel output (equivalent to two independent signal sources), able to work synchronously, and the phase difference can be accurately adjusted. Equipped with channel tracking function, all parameters of both channels can be updated at the same time ? Up to 98 sets of function/arbitrary waveforms can be output, including 34 sets of preset waveforms and 64 sets of user-defined waveforms. All parameters can be calibrated by internal procedures; Equipped with powerful arbitrary waveform editing function, it can edit arbitrary waveform on PC and download to instrument output waveform. Open communication protocol makes secondary development very simple ? High frequency accuracy: Frequency accuracy can reach 10-6 orders of magnitude; The frequency resolution is relatively high: the full-range frequency resolution is 1uHz (0.000001Hz); Amplitude resolution is higher: Amplitude resolution can be as low as 1mV (0.001V); With -10V~+10V DC bias function (<20MHz), resolution up to 1mV ? Scanning function: It can scan the four properties of the signal: frequency, amplitude, offset, and duty cycle. It has two scanning modes: linear scan and logarithmic scan. The scan time can reach 999.99S. Burst Output Function: There has Manual Trigger, internal CH2 Trigger, and External Trigger for your options. It can output1~1048575 pulse trains