Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994spie.2198..895r&link_type=abstract
Proc. SPIE Vol. 2198, p. 895-906, Instrumentation in Astronomy VIII, David L. Crawford; Eric R. Craine; Eds.
Astronomy and Astrophysics
Astronomy
4
Scientific paper
A new controller concept based on transputer modules and digital signal processors (DSPs) has been developed at ESO. The controller can handle single CCDs or CCD mosaics with 1 to 64 outputs and with up to 256 clocks with software programmable independent high and low voltages. The same basic concept will be used for slow scan scientific and fast auto guiding/wavefront sensing applications. While the transputers are mainly used for data acquisition, communications and supervisory tasks, a DSP with very simple external logic performs the time-critical CCD clock pattern generation. The low noise, high speed clock driver with built-in telemetry is designed for highest operational safety. ACE can easily be interfaced to various types of host computers, PCs, Unix workstations or Local Control Units.
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