Design concepts for a fast-readout low-noise CCD controller

Rolf Gerdes; James W. Beletic; Raymond C. DuVarney

doi:10.1117/12.316784

9 July 1998 Design concepts for a fast-readout low-noise CCD controller

Rolf Gerdes, James W. Beletic, Raymond C. DuVarney

Proceedings Volume 3355, Optical Astronomical Instrumentation; (1998) https://doi.org/10.1117/12.316784
Event: Astronomical Telescopes and Instrumentation, 1998, Kona, HI, United States

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.

Citation Download Citation

Rolf Gerdes, James W. Beletic, and Raymond C. DuVarney "Design concepts for a fast-readout low-noise CCD controller", Proc. SPIE 3355, Optical Astronomical Instrumentation, (9 July 1998); https://doi.org/10.1117/12.316784

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