A broad-band, ultra-low-noise Schottky diode mixer receiver from 80 to 115 GHz

Details A broad-band, ultra-low-noise Schottky diode mixer receiver from 80 to 115 GHz A broad-band, ultra-low-noise Schottky diode mixer receiver from 80 to 115 GHz

May 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984itmtt..32..498p&link_type=abstract

IEEE Transactions on Microwave Theory and Techniques (ISSN 0018-9480), vol. MTT-32, May 1984, p. 498-507.

Physics

10

Broadband, Low Noise, Microwave Circuits, Mixing Circuits, Noise Temperature, Schottky Diodes, Harmonic Generations, Millimeter Waves, Network Synthesis, Radio Receivers, Shot Noise, Sidebands

Scientific paper

A cryogenic 3-mm receiver has been developed which fully utilizes the low-noise potential of Schottky diodes by approaching the shot-noise limit within 10 percent. With a broad-band mixer design which properly terminates the input sidebands and reactively terminates the second harmonic of the local oscillator and its sidebands, the double sideband (DSB) mixer noise temperature is 35 K in the best case. This design has given an average DSB receiver noise temperature of 75 K over the 80 to 115-GHz band with a best noise temperature of 62 K.

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