Università degli Studi di Cagliari
A multifeed S-band cryogenic receiver for the Sardinia Radio Telescope primary focus
LADU, ADELAIDE;MONTISCI, GIORGIO;MAZZARELLA, GIUSEPPE;
2014-01-01
Abstract
The noise temperature of existing radio telescope receivers has actually achieved very low values. In any case, there are other practical ways to increase the observational speed of a single dish antennas without using longer integration time: observe with multi-beam and large bandwidth receiver. In this paper we present the front end and the cryogenic dewar design of the 5 beams FPA double linear polarization receiver for the primary focus of the 64 m Sardinia Radio Telescope.
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