Abstract
This article describes a system implemented on an IBM compatible personal computer (PC) for acquisition and processing of NMR data and for the spectrometer control. The homemade hardware includes a 12-bit analog-digital conversion board and a simplified pulse sequence controller. The software, written in assembly language and in Turbo Pascal, handles these two boards and, thanks to a versatile pulse generator, allows easily to run most of the modern NMR experiments in simple or in quadrature detection with spectral widths up to 25 000 Hz. Owing to its simplicity, its low cost, and its versatility, this system is specially suited for upgrading old NMR spectrometers or can be considered as the basis of a routine spectrometer.
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