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Type: Journal article
Title: Simple derivation of the thermal noise formula using window-limited Fourier transforms and other conundrums
Author: Abbott, D.
Davis, B.
Phillips, N.
Eshraghian, K.
Citation: IEEE Transactions on Education, 1996; 39(1):1-13
Issue Date: 1996
ISSN: 0018-9359
Abstract: A simple theoretical derivation for obtaining the Johnson thermal noise formula using window-limited Fourier transforms is presented in detail for the first time, utilizing the well-known energy theorems. In the literature, a diverse range of alternative methods already exist, and the pedagogical value of the Fourier transform approach illustrates useful mathematical principles, taught at the undergraduate level, naturally high-lighting a number of physical assumptions that are not always clearly dealt with. We also proceed to survey a number of misconceptions, problems, surprises, and conundrums concerning thermal noise. © 1996 IEEE.
DOI: 10.1109/13.485226
Appears in Collections:Aurora harvest 2
Electrical and Electronic Engineering publications

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