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Signal to noise enhancement of lock-in amplifiers
Kannatzuthu Puthanmadam Rajappan
Published in
1980
Volume: 51
   
Issue: 2
Pages: 251 - 252
Abstract
A lock-in amplifier can be considered to be a special case of the more general box-car averager. Expressions for the output noise voltage of lock-in amplifiers are deduced from the corresponding results derived earlier for box-car averagers. Deviations from the simple (4 RC)1/2 law are shown to exist in the case of nonwhite noise.
About the journal
JournalReview of Scientific Instruments
ISSN00346748
Open AccessNo
Concepts (1)
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    Amplifiers