Bohemia, N.Y.— Model 6108 single-slot VME card incorporates up to eight separate transformer isolated tracking converters programmable for either eight single speed, four two-speed, or other combinations totaling eight channels. The user selected speed ratios from 1:1 to127:1 are available with options to 255:1. Each channel pair has individual transformer isolated reference inputs. Coarse and Fine inputs of each channel have independent transformer-isolated reference inputs enabling the user to connect each input to a different reference source. Coarse, Fine, and Combined inputs are available for each channel permitting Coarse and Fine as independent inputs if speed ratio is 1:1. Commercial version operates from 0 to 707 °C while the military version operates from -55 to 857 °C. North Atlantic Instruments Inc.