Advanced Multi-beam Spectrometer for the Green Bank Telescope

Details Advanced Multi-beam Spectrometer for the Green Bank Telescope Advanced Multi-beam Spectrometer for the Green Bank Telescope

2012-02-05

arxiv.org/abs/1202.0938v1

Astronomy and Astrophysics

Astrophysics

Instrumentation and Methods for Astrophysics

To appear in the Proceedings of the XXXth URSI General Assembly in Istanbul, August 2011, 4 pages; 3 figures

Scientific paper

A new spectrometer for the Green Bank Telescope (GBT) is being built jointly by the NRAO and the CASPER, University of California, Berkeley. The spectrometer uses 8 bit ADCs and will be capable of processing up to 1.25 GHz bandwidth from 8 dual polarized beams. This mode will be used to process data from focal plane arrays. The spectrometer supports observing mode with 8 tunable digital sub-bands within the 1.25 GHz bandwidth. The spectrometer can also be configured to process a bandwidth of up to 10 GHz with 64 tunable sub-bands from a dual polarized beam. The vastly enhanced backend capabilities will support several new science projects with the GBT.

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