20 July 2016The 7-beam S-band cryogenic receiver for the SRT primary focus: project status
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
G. Valente,1 P. Marongiu,1 A. Navarrini,1 A. Saba,1 G. Montisci,2 A. Ladu,1 T. Pisanuhttps://orcid.org/0000-0003-2510-7501,1 M. Pili,1 S. Dessi,2 A. Uccheddu,2 N. Iacolina,1 D. Perrodin,1 M. Buttu,1 E. Egron,1 A. Melis,1 C. Tiburzi,1 V. Vacca1
1INAF - Osservatorio Astronomico di Cagliari (Italy) 2Univ. degli Studi di Cagliari (Italy)
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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); https://doi.org/10.1117/12.2232625