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Status of the NectarCAM camera project

Abstract : NectarCAM is a camera designed for the medium-sized telescopes of the Cherenkov Telescope Array (CTA) covering the central energy range 100 GeV to 30 TeV. It has a modular design based on the NECTAr chip, at the heart of which is a GHz sampling Switched Capacitor Array and 12-bit Analog to Digital converter. The camera will be equipped with 265 7-photomultiplier modules, covering a field of view of 7 to 8 degrees. Each module includes the photomultiplier bases, High Voltage supply, pre-amplifier, trigger, readout and Thernet transceiver. Events recorded last between a few nanoseconds and tens of nanoseconds. A flexible trigger scheme allows to read out very long events. NectarCAM can sustain a data rate of 10 kHz. The camera concept, the design and tests of the various subcomponents and results of thermal and electrical prototypes are presented. The design includes the mechanical structure, the cooling of electronics, read-out, clock distribution, slow control, data-acquisition, trigger, monitoring and services. A 133-pixel prototype with full scale mechanics, cooling, data acquisition and slow control will be built at the end of 2014
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Submitted on : Monday, January 9, 2017 - 3:29:02 PM
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J.-F. Glicenstein, M. Barcelo, J.-A. Barrio, O. Blanch, J. Boix, et al.. Status of the NectarCAM camera project. High Energy, Optical, and Infrared Detectors for Astronomy VI, Jun 2014, Montréal, Quebec, Canada. ⟨10.1117/12.2056277⟩. ⟨in2p3-01430160⟩



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