A low noise broadband 125-175 GHz SIS receiver for radioastronomy observations

Details A low noise broadband 125-175 GHz SIS receiver for radioastronomy observations A low noise broadband 125-175 GHz SIS receiver for radioastronomy observations

Jun 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987ijimw...8..595i&link_type=abstract

International Journal of Infrared and Millimeter Waves (ISSN 0195-9271), vol. 8, June 1987, p. 595-607.

Astronomy and Astrophysics

Astronomy

5

Broadband, Infrared Detectors, Low Noise, Radio Astronomy, Radio Receivers, Sis (Superconductors), Superconductors, Heterojunction Devices, Mixing Circuits, Noise Temperature, Radio Telescopes, Spain, Thermal Cycling Tests

Scientific paper

A low noise heterodyne receiver with a superconductor insulator superconductor junction as the mixing element has been built and tested in the 30 m radiotelescope at Pico Veleta in South Spain. This receiver is tunable over most of the atmospheric window between the absorption lines of oxygen at 118 GHz and water at 183 GHz. The receiver double sideband noise temperature varies from about 140 K for the lower frequencies to 250 K toward the high frequency end of the band.

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