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Proceedings Paper

Design concepts for a fast-readout low-noise CCD controller
Author(s): Rolf Gerdes; James W. Beletic; Raymond C. DuVarney
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Paper Abstract

This paper describes two important concepts employed by ESO's high-speed low-noise FIERA CCD controller: (1) a distributed sequencer that allows for an unlimited number of high-speed control signals, and (2) a video preprocessing chain which is based on the clamp and sample method. The reasoning for both concepts is described in detail, and the clamp-sample approach is quantitatively compared to the more common dual-slope video processing technique. Furthermore, we describe aspects of the clamp and sample approach we implemented to avoid image artifacts. First results with FIERA are presented.

Paper Details

Date Published: 9 July 1998
PDF: 9 pages
Proc. SPIE 3355, Optical Astronomical Instrumentation, (9 July 1998); doi: 10.1117/12.316784
Show Author Affiliations
Rolf Gerdes, European Southern Observatory (Germany)
James W. Beletic, European Southern Observatory (United States)
Raymond C. DuVarney, Emory Univ. (United States)

Published in SPIE Proceedings Vol. 3355:
Optical Astronomical Instrumentation
Sandro D'Odorico, Editor(s)

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