20 July 2016 The 7-beam S-band cryogenic receiver for the SRT primary focus: project status
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Abstract
Existing radio receivers have a very low noise temperature. To further increase the observation speed, the new generation of radio receivers use a multi-beam focal plane array (FPA) together with wide bandwidth. In this article, we present the front-end and cryogenic design of the 7-beam FPA double linear polarization receiver for the 64-m primary focus of the Sardinia Radio Telescope. At the end of this article, we show the simulated performances of the front-end receiver and the measurements of the down-conversion section.
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G. Valente, P. Marongiu, A. Navarrini, A. Saba, G. Montisci, A. Ladu, T. Pisanu, M. Pili, S. Dessi, A. Uccheddu, N. Iacolina, D. Perrodin, M. Buttu, E. Egron, A. Melis, C. Tiburzi, V. Vacca, "The 7-beam S-band cryogenic receiver for the SRT primary focus: project status", Proc. SPIE 9914, Millimeter, Submillimeter, and Far-Infrared Detectors and Instrumentation for Astronomy VIII, 991422 (20 July 2016); doi: 10.1117/12.2232625; https://doi.org/10.1117/12.2232625
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