Gw instek afg function generators 5mhz12mhz25mhz gw instek afg 2005 this afg 2112 function generator from gw instek is a dds direct digital synthesized based signal generator designed to accommodate the educational and basic industrial requirements for an accurate and affordable signal source covering the output of sine square pulse ramp triangle noise and arbitrary waveforms the 20m sas sampling rate 10 bit vertical resolution and 4k point memory provide a flexible environmen