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The Physics Teacher -- December 2011 -- Volume 49, Issue 9, pp. 537

Inexpensive Data Acquisition with a Sound Card

Umer Hassan, Saad Pervaiz, and Muhammad Sabieh Anwar

Lahore University of Management Sciences, Lahore, Pakistan

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Signal generators, oscilloscopes, and data acquisition (DAQ) systems are standard components of the modern experimental physics laboratory. The sound card, a built-in component in the ubiquitous personal computer, can be utilized for all three of these tasks1,2 and offers an attractive option for labs in developing countries such as ours—Pakistan—where affordability is always of prime concern. In this paper, we describe in a recipe fashion how the sound card is used for DAQ and signal generation.

© 2011 American Association of Physics Teachers

Article Outline

  1. Data acquisition (oscilloscope) using the sound card
    1. MATLAB oscilloscope:
    2. Examples:
  2. Signal generation using sound card
  3. Conclusions

KEYWORDS and PACS

Keywords

data acquisition, laboratory techniques, microcomputers, oscilloscopes, physics education, signal generators, smart cards

PACS

  • 01.50.My

    Demonstration experiments and apparatus

  • 01.50.Pa

    Laboratory experiments and apparatus

  • 01.50.ht

    Instructional computer use

  • 01.50.Lc

    Laboratory computer use

PUBLICATION DATA

ISSN

0031-921X (print)  

Publisher

$abstract.society.value is a Member of CrossRef American Association of Physics Teachers

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1119/1.3661095

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