Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994spie.2198..980k&link_type=abstract
Proc. SPIE Vol. 2198, p. 980-987, Instrumentation in Astronomy VIII, David L. Crawford; Eric R. Craine; Eds.
Astronomy and Astrophysics
Astronomy
2
Scientific paper
To manage the increased size of focal plane arrays (FPA) and the accompanying data volume increase, we have developed a detector control system that allows parallel readout of multiple array amplifiers. This system consists of a data acquisition computer running the Pegasus Software System on a UNIX platform, an interface control computer and a digital signal processor (DSP) to directly control the array. At the heart of the system is a DSP-based controller (Leach SDSU) which serves as a waveform generator and video processor. It is completely software programmable, making it quite adaptable to a host of FPA designs. We have configured our system into a four channel system, reading pixel data out of all four quadrants of an array. Image data is descrambled in the interface computer, producing a sensible image on the image display. We have applied this system to control and readout of large format CCDs and to IR arrays.
Clark Christopher C.
Kerr John M.
Smith Sheila
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