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21 February 2003 Reconfigurable electronics at the IOTA interferometer
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Abstract
We describe the new control system for the PICNIC near-infrared camera and the visible star tracker, implemented at the IOTA interferometer, based on the ALTERA Complex Programmable Logic Device (CPLD) technology. These digital components provide an adaptive interface between the control system and the cameras used at IOTA, allowing flexibility when connecting very different devices. In particular the clocking and processing circuits used for the PICNIC camera can be changed in milliseconds during normal operation. The camera can then switch between full quadrant readout mode used for alignment and diagnostics, and a N pixel readout mode used for science operation.
© (2003) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Ettore Pedretti, Rafael Millan-Gabet, John D. Monnier, S. Morel, Wesley A. Traub, Nathaniel P. Carleton, Jean-Philippe Berger, P. Schloerb, Michael K. Brewer, Sam Ragland, and Marc G. Lacasse "Reconfigurable electronics at the IOTA interferometer", Proc. SPIE 4838, Interferometry for Optical Astronomy II, (21 February 2003); https://doi.org/10.1117/12.459339
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