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Proceedings Paper

Design of two-channel oscilloscope and basic circuit simulations in LabView
Author(s): Plamen Balzhiev; Jaroslaw Makal
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Paper Abstract

The project is realized as a diploma thesis in Bialystok Technical University (Poland). The main aim is to develop a useful educational tool which presents the time and frequency characteristics in basic electrical circuits. It is designed as a helpful instrument for lectures and laboratory classes. The predominant audience will be students of electrical engineering from first semester of the higher education. Therefore the level of knowledge at this stage of education is not high enough and different techniques are necessary to increase the students' interest and the efficiency of teaching process. This educational instrument provides the needed knowledge concerning the basic circuits and its parameters. Graphics and animations of the general processes in the electrical circuits make the problems more interesting, comprehensive and easier to understand. For designing such an instrument the National Instruments' programming environment LabView is used. It is preferred to the other simulation software because of its simplicity flexibility and also availability (the free demo version is sufficient to make a simple virtual instrument). LabView uses graphical programming language and has powerful mathematical functions for analysis and simulations. The useful visualization tools for presenting different diagrams are worth recommending, too. It is also specialized in measurement and control and it supports a wide variety of hardware. Therefore this software is suitable for laboratory classes to present the dependencies between the simulated characteristics in basic electrical circuits and the real one measured with the hardware device. For this purpose a two-channel oscilloscope is designed as part of the described project. The main purpose of this instrument as part of the educational process is to present the desired characteristics of the electrical circuits and to become familiar with the general functions of the oscilloscope. This project combines several important features appropriate for teaching purposes: well presented information with graphics, easy to operate with and giving the necessary knowledge. This method of teaching is more interesting and attractive to the audience. Also the information is assimilated more quickly, with less effort.

Paper Details

Date Published: 28 December 2007
PDF: 8 pages
Proc. SPIE 6937, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2007, 693714 (28 December 2007);
Show Author Affiliations
Plamen Balzhiev, Technical Univ. of Sofia (Bulgaria)
Jaroslaw Makal, Bialystok Technical Univ. (Poland)

Published in SPIE Proceedings Vol. 6937:
Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2007
Ryszard S. Romaniuk, Editor(s)

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