Investigating properties of white noise in the undergraduate laboratory

Umer Hassan, Sohaib Shamim, M. Sabieh Anwar

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

This paper describes a simple noise circuit for the undergraduate physics laboratory. Students use this circuit to study the properties of electrical noise on a personal computer. This is made possible by using a data acquisition system that allows the experimenters to obtain large amounts of data on the computer, suitable for subsequent mathematical computations. Various properties such as mean, noise power, noise power density and the probability distribution of noise voltages are also explored.

Original languageEnglish (US)
Pages (from-to)1143-1151
Number of pages9
JournalEuropean Journal of Physics
Volume30
Issue number5
DOIs
StatePublished - Nov 9 2009
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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