Liquid helium-cooled MOSFET preamplifier for use with astronomical bolometer

Details Liquid helium-cooled MOSFET preamplifier for use with astronomical bolometer Liquid helium-cooled MOSFET preamplifier for use with astronomical bolometer

Apr 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977rsci...48..389g&link_type=abstract

Review of Scientific Instruments, vol. 48, Apr. 1977, p. 389-391.

Astronomy and Astrophysics

Astronomy

1

Bolometers, Field Effect Transistors, Liquid Helium, Low Noise, Metal Oxide Semiconductors, Preamplifiers, Amplifier Design, Cooling Systems, Infrared Astronomy, Infrared Detectors, Photoconductivity, Photovoltaic Effect, Transistor Amplifiers

Scientific paper

A 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.

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