Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985itmtt..33...90w&link_type=abstract
IEEE Transactions on Microwave Theory and Techniques (ISSN 0018-9480), vol. MTT-33, Feb. 1985, p. 90-95.
Astronomy and Astrophysics
Astronomy
40
Josephson Junctions, Millimeter Waves, Mixing Circuits, Radio Astronomy, Superconductors, Superheterodyne Receivers, Lead Alloys, Low Noise, Microwave Circuits, Noise Temperature, Sidebands, Signal Mixing, Volt-Ampere Characteristics
Scientific paper
Low-noise receivers for radio astronomy have been built using Pb alloy
superconducting tunnel junction mixers operating at 4.5 K. They have
been used for 85-115-GHz astronomy with double-sideband receiver noise
temperature between 70 and 200 K. Junction fabrication and receiver
construction, operation, and performance are described herein.
Miller Roger E.
Wengler Michael J.
Woody David P.
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