Gw instek afg 3000 series arbitrary function generator gw instek afg 3081 the gw instek afg 3000 series are arbitrary waveform generators designed for industrial scientific research and educational applications the afg 3000 series also provides a high 16 bit resolution 200msas sample rate and a 1m memory depth for editing arbitrary waveforms directly through the intuitive user interface the direct waveform reconstruction dwr function enables users to directly import waveforms from