Tektronix afg3022b arbitrary function generator tektronix afg3251c the tektronix afg3251c is a single channel arbitrary function generator that is unmatched in performance versatility intuitive operation and affordability this makes the afg3251c function arbitrary waveform and pulse generator one of the most useful instruments in the industrythe user can choose from 12 different standard waveforms arbitrary waveforms can be generated up to 128k in length at high sampling rates on pu