ISSTT Proceedings

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A Technique for Accurate Noise Temperature Measurements for the Superconducting Quasiparticle Receiver

Authors:
Qing Ke, M.J. Feldman
Abstract:
We propose an extremely simple new technique to determine the noise temperature of the rf input section of a superconducting quasiparticle heterodyne receiver. Our method uses standard hot/cold-load measurements of the receiver driven by local oscillator power levels below optimum. We present both analytic and computed results based on Tucker's quantum theory of mixing (no experimental data are at present available) to assess the accuracy and the precision of this new technique.
Categories:
SIS Receivers
Year:
1993
Session:
2
Full-text:
Download a PDF of this paper.
Page Number(s):
33-40