Features: Using Direct Digital Synthesis(DDS) technology; 1mV Output Amplitude for Small Signal; 40 Hz~60MHz frequency range for main waveforms; 32 kinds of output waveform; 3.5 TFT colour LCD disply; Pulse duty cycle resolution up to 1; Burst mode with a continuous phase adjustment function; 1%~120% amplitude modulation; RS232 interface (option), USB interface (option)