Main Features ♦ Adopt the Direct Digital Synthesizer DDS technology and provide stable precise pure and low distortion signals ♦ 2 4 inch TFT Color LCD with 320 240 resolution displaying parameters and graphics of the two channels at the same time ♦ 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 ♦ Can output up to 97 groups of functions arbitrary waveform contains 33 groups of preset waveforms and 64 groups of user defined waveforms Preset waveforms Sine Square Duty Cycle adjustable Pulse Pulse width and cycle time can be set accurately Triangle Ramp CMOS 0 12V Four channels TTL Exponential Rise Exponential Fall Noise ECG DC etc ♦ Enable to store 64 arbitrary waveform data files each one of waveform storage depth 8192 points 14bits The longer the waveform storage depth the more detail the waveform is saved and the signal details can be restored with high p recision ♦ Various modulation types AM FM PM ASK FSK and PSK modulations ♦ Sweep Function It can sweep 4 properties of signals including frequency amplitude offset and duty cycle It has Linear and Logarithm two sweep types 0 01S 999 99S sweep time Up Down and roundtrip sweep directions ♦ VCO Function Voltage Control Output Can be achieved by an external input signal voltage controlling frequency voltage controlling amplitude voltage controlling offset voltage con