Hello, Do you have an arbitrary waveform generator that is not used all the time? We would like to try it, for a short time. Yours, Helge Helge Knudsen Prof. (lektor msk) Department of Physics and Astronomy, Aarhus University Ny Munkegade 120, DK-8000, Aarhus C, Denmark Office: +45 8715 5596 Cell: +45 2338 2411 [IFA logo blue small]