Time-varying circuits for noise measurement

A time-varying smoothing network with an increasing time constant provides good smoothing and fast initial response. A mathematical model evaluated by digital computer showed that a stepwise time constant increase gives fairly good results even with only two steps. For low-output detectors (e.g., Ha...

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Bibliographic Details
Published inProceedings of the IEEE Vol. 56; no. 1; pp. 78 - 79
Main Author Ambrozy, A.
Format Journal Article
LanguageEnglish
Published IEEE 01.01.1968
Subjects
Detectors
Magnetohydrodynamics
Mathematical model
Noise measurement
Resistance heating
Resistors
Smoothing methods
Thermal resistance
Thermistors
Time varying circuits
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Summary:A time-varying smoothing network with an increasing time constant provides good smoothing and fast initial response. A mathematical model evaluated by digital computer showed that a stepwise time constant increase gives fairly good results even with only two steps. For low-output detectors (e.g., Hall correlators) a continuously varying time constant may be realized by using an FET.
ISSN:0018-9219
1558-2256
DOI:10.1109/PROC.1968.6149