Astronomy and Astrophysics – Astronomy
Scientific paper
Jul 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990spie.1235..328w&link_type=abstract
IN: Instrumentation in astronomy VII; Proceedings of the Meeting, Tucson, AZ, Feb. 13-17, 1990 (A91-29601 11-35). Bellingham, WA
Astronomy and Astrophysics
Astronomy
3
Cameras, Charge Coupled Devices, Controllers, Sequencing, Signal Processing, Transputers, Data Acquisition, Pixels, Waveforms
Scientific paper
A CCD camera controller based on a transputer chip is described which is used for sequencing programmable waveform patterns, including windowed and pixel binning formats. A key feature is the significant reduction in component count over previous systems made possible by the versatility and unique features of the transputer. The outcome of this is that a complete controller for a single-chip CCD camera may be accommodated in a small enclosure on the cryostat used to cool the chip. Alternatively, extra drive cards may be added to the waveform sequencer to drive a multichip camera. The use of the transputer allows the controller to be incorporated naturally into a parallel processing system whereby several cameras can be operated within the telescope environment using simple serial control and data transfer links.
Newton Graham M.
van Breda Ian G.
Waltham Nicholas R.
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