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Reconfigurable ASIC for a low level trigger system in Cherenkov Telescope Cameras

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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.

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Journal of Instrumentation, 2016, vol. 11, p. P11017

# metadata.dc.rights[].value
cc-by (c) Gascón Fora, David et al., 2016

# metadata.dc.source[].value
Articles publicats en revistes (Física Quàntica i Astrofísica)

# metadata.dc.title[].value
Reconfigurable ASIC for a low level trigger system in Cherenkov Telescope Cameras