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Noise in Josephson effect mm-wave mixers
By: Claassen, J.; Richards, P.; Taur, Y.;
1975 / IEEE
This item was taken from the IEEE Periodical ' Noise in Josephson effect mm-wave mixers ' We have recently shown that point contact Josephson junctions can function as millimeter wave heterodyne mixers with conversion gain. The best results achieved thus far show a single sideband conversion gain of 1.3 and a mixer contribution to the system noise temperature of 54K. Both of these results are < 5 times better than the best published figures for cooled Schottky barrier diode mixers operated at the same frequency. The measured noise for a variety of junctions can be expressed as a universal function of the normalized rf frequency
Josephson Device Mixers/frequency Converters
Josephson Device Noise
Electrical Resistance Measurement
Fields, Waves And Electromagnetics