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Liquid helium-cooled MOSFET preamplifier for use with astronomical bolometerA liquid helium-cooled p-channel enhancement mode MOSFET, the 3N167, is found to have sufficiently low noise for use as a preamplifier with helium-cooled bolometers that are used in infrared astronomy. Its characteristics at 300, 77, and 4.2 K are presented. It is also shown to have useful application with certain photoconductive and photovoltaic infrared detectors.
Document ID
19770067288
Document Type
Reprint (Version printed in journal)
External Source(s)
doi:10.1063/1.1135045
Authors
Goebel, J. H. (NASA Ames Research Center Astrophysical Experiments Branch, Moffett Field, Calif., United States)
Date Acquired
August 9, 2013
Publication Date
April 1, 1977
Publication Information
Publication: Review of Scientific Instruments
Volume: 48
Subject Category
Instrumentation And Photography
Accession Number
77A50140
Distribution Limits
Public
Copyright
Other

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