Abstract
We report a design solution for a highly reliable, low-noise and extremely efficient cryogenically cooled transmit/receive unit for a large antenna system meant for radio-astronomical observations and deep-space communications in the X band. We describe our design solution and the results of a series of laboratory and antenna tests carried out in order to investigate the properties of the cryogenically cooled low-noise amplifier developed. The transmit/receive unit designed for deep-space communications (Mars missions, radio observatories located at Lagrangian point L2, etc.) was used in practice for communication with live satellites including “Radioastron” observatory, which moves in a highly elliptical orbit.
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Original Russian Text © V.F. Vdovin, V.G. Grachev, S.Yu. Dryagin, A.I. Eliseev, R.K. Kamaletdinov, D.V. Korotaev, I.V. Lesnov, M.A. Mansfeld, E.L. Pevzner, V.G. Perminov, A.M. Pilipenko, B.D. Sapozhnikov, V.P. Saurin, 2016, published in Astrofizicheskii Byulleten, 2016, Vol. 71, No. 1, pp. 134–138.
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Vdovin, V.F., Grachev, V.G., Dryagin, S.Y. et al. Cryogenically cooled low-noise amplifier for radio-astronomical observations and centimeter-wave deep-space communications systems. Astrophys. Bull. 71, 125–128 (2016). https://doi.org/10.1134/S1990341316010132
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DOI: https://doi.org/10.1134/S1990341316010132