... , base on DDS technology 3.w/AM FM function MCH DDS Function Generator, SM-4040 DDS Function Generator, 40MHz Freq., built-in frequency counter.Specifications ... is available above 40MHz)Waveform length8~16000pointAmplitude resolution12bitsampling rate200MSa/S(≤80MHz) 300MSa/S(120MHz)Built-in ArbitaryTriangle,±Ramp, ±pulse,rise/fall exponential ...