Abstract
A S-100/Z80 8-bit microprocessor-based system which is used to digitize, reduce, and smooth picosecond data is described. Utilizing real-time signal sampling combined with a software-controlled signal averaging, the system uses, to the maximum extent, all of the information obtainable from the microdensitometer. The versatility of the system, in terms of both the hardware and software, minimized the need for extensive in-house interfacing and makes it possible to scan a film containing six spectra (6×40K raw data points) in 16 min. The use of a LS1 stepping motor controller chip is described.
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