... dds Function Generator: 1.40MHz Freq.&wide sweep Freq. 2.multi-waves test, base on DDS technology 3.w/AM FM function MCH DDS ... ModeLinear, Logarithmic, Rise, Fall, SignalSweep Time0.1ms-100s ±1%Trigger sourceINT, SignalStorage CharacteristicParametersFreq., Amplitude, Waveform, DC Offset ... to change without prior notice. MCH DDS Function Generator,SM-4040 dds function generator,40MHz frequency w/AM FM ...