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Master's Dissertation
DOI
10.11606/D.54.1993.tde-19082014-101639
Document
Author
Full name
Marco Aurelio de Oliveira Pagnano
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 1993
Supervisor
Committee
Magon, Claudio Jose (President)
Paiva, Maria Stela Veludo de
Rabbani, Said Rahnamaye
Title in Portuguese
Automação de um espectrômetro por ressonância magnética nuclear pulsada
Keywords in Portuguese
Espectrômetro de RMN
Instrumentação de RMN
RMN
Abstract in Portuguese
Este trabalho consistiu na automação do espectrômetro de Ressonância Magnética Nuclear Pulsada existente no laboratório dos professores José Pedro Donoso e Claudio José Magon. Foram efetuados circuitos adicionais e melhorias no equipamento que eles possuíam, à nível de hardware e software. Foram construídas e programadas interfaces paralelas que ligam o microcomputador a um gerador de pulsos, fabricado pela Tecmag Inc., e a um digitalizador rápido (10 ns) Nicolet 430. O programador de pulsos pode acionar independentemente 75 linhas durante o intervalo de tempo subdividido em 2048 eventos, também independente. O software desenvolvido permite a programação de todas as linhas e eventos de forma eficiente e prática. Foi todo escrito em linguagem C, é modular, portátil, e permite a geração de seqüências de pulsos sofisticadas e também o controle da aquisição e transferência de dados
Title in English
Automation of a pulsed nuclear magnetic resonance spectrometer
Keywords in English
NMR
NMR instrumentation
NMR spectrometer
Abstract in English
This work describes the Project developped to automatize the pulsed nuclear magnetic resonance spectrometer housed in the laboratory of the professors José Pedro Donoso e Cláudio José Magon. To satisfy our needs we have improved their old equipment, at the level of hardware and software. Were built and programmed the parallel interface between the microcomputer and a pulse programmer made by Tecmag Inc. and with a fast digitizer (10 ns) Nicolet 430. The pulse programmer can control 75 independent output channels during 2048 time intervals. The software we developped allow us to control the whole pulse sequence on a very efficient and practical way. It was written in C-language, and provides the timing signals necessary to generate sofisticated pulse seqüencies, the data acquisition and data transfer to the host computer
 
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Publishing Date
2014-08-21
 
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