... Function Generator, 40MHz Freq., built-in frequency counter.Specifications: WaveformsMain Waveformssine, square(only sine ... )Control modeINT/EXT (External TTL level,F1:low-level,F2:high-level)Phase-shift keyingWaveformsine, squareFrequency range100μHz ... level,P1:low-level,P2:high-level)BurstWaveformsine,square,triangle,±Ramp,±Pulse,Rise/fall exponentional,Rise/fall logarithm,Cardiac,SIN(X)X.Frequency ...