re luser in article apr sol ctr columbia edu seema madvlsi columbia edu seema varma writes hi i am looking for a high speed d to a converter at least bits and mhz for testing a chip any ideas on where i can find such a monster a paper in the january issue of ieee journal of solid state circuits authors from philips eindhoven mentions a ghz bits gaas dac they use in their testing so i know that such circuits are around somewhere triquint beaverton oregon has been selling an bit ghz d to a for several years i have used it and it works well faster settling time and smaller glitch area than any video d dacs i have seen also they have been developing a more precise version that may be for sale now it s somewhere in the to bit area at ghz arnold frisch tektronix laboratories
