Title :
A Multi-Feed Receiver in the 18 to 26.5 GHz Band for Radio Astronomy
Author :
Orfei, A. ; Carbonaro, L. ; Cattani, A. ; Cremonini, A. ; Cresci, L. ; Fiocchi, F. ; Maccaferri, A. ; Maccaferri, G. ; Mariotti, S. ; Monari, J. ; Morsiani, M. ; Natale, V. ; Nesti, R. ; Panella, D. ; Poloni, M. ; Roda, J. ; Scalambra, A. ; Tofani, G.
Author_Institution :
Ist. di Radioastronom., Ist. Naz. di Astrofis., Bologna, Italy
Abstract :
A large-bandwidth, state-of-the-art multi-feed receiver has been constructed to be used on the new 64 m Sardinia Radio Telescope (SRT) (http://www.srt.inaf.itl), an antenna aiming to work from 300 MHz to 100 GHz with an almost continuous frequency coverage. The goal of this new receiver is to speed up the survey of the sky with high sensitivity in a frequency band that is very interesting to radio astronomers. In the meantime, the antenna erection has been finalized, and the receiver has been mounted on the Medicina 32 m antenna to be tested (http://www.med.ira.inaf.itl). We present a complete description of the system, including a dedicated backend, and the results of the tests.
Keywords :
antenna feeds; radio receivers; radiotelescopes; receiving antennas; Sardinia radio telescope; antenna erection; frequency 18 GHz to 26.5 GHz; frequency 300 MHz to 100 GHz; radio astronomers; radio astronomy; state-of-the-art multifeed receiver; Semiconductor device measurement; Wires; Antennas; antenna feeds; antenna radiation patterns; corrugated horn antennas; horn antennas; microwave receiver; monolithic low noise amplifier; multi-feed; radio astronomy; reflector antenna feeds;
Journal_Title :
Antennas and Propagation Magazine, IEEE
DOI :
10.1109/MAP.2010.5638236
