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Title: Reconfigurable ASIC for a low level trigger system in Cherenkov Telescope Cameras
Author: Gascón Fora, David
Barrio, Juan Abel
Blanch, O.
Boix, J.
Delagnes, E.
Delgado, C.
Freixas, L.
Guilloux, F.
Coto, R. L.
Griffiths, S.
Martinez, G.
Martinez, O.
Sanuy Charles, Andreu
Tejedor, L. A.
Keywords: Circuits electrònics
Raigs gamma
Instruments astronòmics
Electronic circuits
Gamma rays
Astronomical instruments
Issue Date: 28-Nov-2016
Publisher: Institute of Physics (IOP)
Abstract: A versatile and reconfigurable ASIC is presented, which implements two different concepts of low level trigger (L0) for Cherenkov telescopes: the Majority trigger (sum of discriminated inputs) and the Sum trigger concept (analogue clipped sum of inputs). Up to 7 input signals can be processed following one or both of the previous trigger concepts. Each differential pair output of the discriminator is also available as a LVDS output. Differential circuitry using local feedback allows the ASIC to achieve high speed (500 MHz) while maintaining good linearity in a 1 Vpp range. Experimental results are presented. A number of prototype camera designs of the Cherenkov Telescope Array (CTA) project will use this ASIC.
Note: Reproducció del document publicat a:
It is part of: Journal of Instrumentation, 2016, vol. 11, p. P11017
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ISSN: 1748-0221
Appears in Collections:Articles publicats en revistes (Institut de Ciències del Cosmos (ICCUB))
Articles publicats en revistes (Física Quàntica i Astrofísica)

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