Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980spie..246...34l&link_type=abstract
In: Contemporary infrared sensors and instruments; Proceedings of the Seminar, San Diego, CA, July 29, 30, 1980. (A81-39491 18-3
Astronomy and Astrophysics
Astronomy
Background Noise, Electromagnetic Noise Measurement, Indium Antimonides, Infrared Astronomy, Infrared Detectors, Preamplifiers, Jfet, Noise Intensity, Noise Reduction, Photovoltaic Conversion
Scientific paper
Voltage noise measurements were made at temperatures of 77 to 150 K on three JFETs and a preamplifier closely resembling one used with InSb photovoltaic detectors (employed in IR astronomy research). Noise minima were detected with the three JFETs at 100-115 K, but the level of voltage noise for two of the three JFETs was found to be below the noise level of InSn detector systems.
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