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[Untitled]

Authors :
H. D. Pfannes
G. A. Pérez Alcázar
A. Bohórquez
A.J. Sánchez Asseff
Source :
Hyperfine Interactions. 110:135-141
Publication Year :
1997
Publisher :
Springer Science and Business Media LLC, 1997.

Abstract

A low cost, stand alone microprocessed equipment for data acquisition and driver control, designed under the requirements of Mossbauer spectroscopy is described. It has a functional mode as pulse analyzer (PHA) and a second mode as a multichannel analyzer (MCA) while it generates waveforms -- triangular, sawtooth and sinusoidal -- between 2 and 40 Hz, buffered up to a capacity of 750 mA for velocity transducer (DRIVER) management, with PID signal synthesizer and error minimization circuits. Its resolution is variable, between 2 and 1024 channels. The system has CMOS technology of integration, Z-80--74HC, with a 4.9152 MHz crystal time based; its dead time is of 0.61 μs and its minimum dwell time is of 32 μs. Data are continuously kept in memory and can be transferred, under a managing program request, via RS-232c protocol at 9600 BAUD -- to a PC computer for its analysis and display. The program written for a PC is able to distinguish up to 8 different spectrometers by means of an identity number assigned to each unit. Therefore, the serial input may be multiplexed in order to attend all the systems, that can work simultaneously.

Details

Volume :
110
Database :
OpenAIRE
Journal :
Hyperfine Interactions
Accession number :
edsair.doi...........5464e7dc13d659d4acd741b3d4e9aef5
Full Text :
https://doi.org/10.1023/a:1012650710935