A low noise SIS receiver covering the frequency range 215-250 GHz

Details A low noise SIS receiver covering the frequency range 215-250 GHz A low noise SIS receiver covering the frequency range 215-250 GHz

Apr 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988ijimw...9..361b&link_type=abstract

International Journal of Infrared and Millimeter Waves (ISSN 0195-9271), vol. 9, April 1988, p. 361-370.

Physics

20

Low Noise, Microwave Radiometers, Millimeter Waves, Mixing Circuits, Noise Temperature, Radio Receivers, Sis (Superconductors), Microwave Oscillators, Radio Telescopes, Schottky Diodes

Scientific paper

A heterodyne receiver incorporating an SIS mixer has been developed for use on a radio telescope operating at 1.3 mm wavelength. The mixer has a minimum conversion loss of less than 2 dB and contributes less than 60 K to a total double side band receiver noise temperature of about 80 K at 220 GHz and 230 GHz. It is suggested that this represents the lowest receiver noise ever reported in this frequency range.

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