Volume 436, Number 1, June II 2005
|Page(s)||391 - 395|
|Published online||20 May 2005|
A field programmable gate array spectrometer for radio astronomy
First light at the Effelsberg 100-m telescope
Radioastronomisches Institut der Universität Bonn, Auf dem Hügel 71, 53121 Bonn, Germany e-mail: [stanko;jkerp]@astro.uni-bonn.de
2 Max-Planck-Institut für Radioastronomie, Auf dem Hügel 69, 53121 Bonn, Germany e-mail: email@example.com
Accepted: 22 February 2005
We describe the technological concept and the first-light results of a 1024-channel spectrometer based on field programmable gate array (FPGA) hardware. This spectrometer is the prototype for the seven beam L-band receiver to be installed at the Effelsberg 100-m telescope in autumn 2005. Using “of-the-shelf” hardware and software products, we designed and constructed an extremely flexible Fast-Fourier-Transform (FFT) spectrometer with unprecedented sensitivity and dynamic range, which can be considered prototypical for spectrometer development in future radio astronomy.
Key words: instrumentation: spectrographs / techniques: spectroscopic
© ESO, 2005
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