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Master's Dissertation
DOI
10.11606/D.54.1984.tde-22082014-171608
Document
Author
Full name
Maria Stela Veludo de Paiva
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 1984
Supervisor
Title in Portuguese
Construção de um gerador de pulsos programável para experiência em RMNp
Keywords in Portuguese
Gerador de pulsos programável
RMNp
Seqüências de pulsos
Abstract in Portuguese
Este trabalho descreve o desenvolvimento e a construção de um gerador de pulsos de 8 canais, com interface para controle externo por microcomputador. O gerador possui 16 passos programáveis definindo a largura do pulso entre 200 ns e 10 segundos. Permite também a repetição automática de um intervalo selecionado. O microcomputador tem controle total do gerador de pulsos, incluindo programação de memórias e execução e interrupção de sequências de pulsos. Este gerador foi construído para ser usado em experiências de Ressonância Magnética Nuclear Pulsada, no controle de portas de RF e sistema de detecção
Title in English
A programmable pulse generator for experiments in Pulsed Nuclear Magnetic Resonance
Keywords in English
Programmable pulse generator
Pulse sequences
Pulsed Nuclear Magnetic Resonance
Abstract in English
This work describes the development and construction of a 8 channel pulse generator with interface for external microcomputer control. The generator has 16 programmable steps defining pulse widths between 200 nsec and 10 seconds, with 100 nsec resolution. Automatic repeat of a selected step range is also provided. The microcomputer has full control of the pulse generator including programing of memories, execution and interruption of pulse sequences. The generator was built to be used in Pulsed Nuclear Magnetic Resonance experiments to control the high Power RF gate and the detection system
 
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Publishing Date
2014-08-26
 
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