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

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Barrio Uña, Juan Abel and Tejedor Álvarez, Luis Ángel (2016) Reconfigurable ASIC for a low level trigger system in Cherenkov Telescope Cameras. Journal of instrumentation, 11 . ISSN 1748-0221

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Official URL: http://dx.doi.org/10.1088/1748-0221/11/11/P11017


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http://iopscience.iop.org/Publisher


Abstract

A versatile and reconfigurable ASIC is presented, which implements two different con-cepts 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.


Item Type:Article
Additional Information:

© IOP Publishing LTD.
Artículo firmado por más de 10 autores.
Funding for this work was partially provided by the Spanish MINECO and UE FEDER under projects: FPA2010-22056-C06-02, FPA2010-22056-C06-01, FPA2015-69210-C6-2-R, and MDM-2014-0369 of ICCUB; SEV-2012-0249 of IFAE; FPA2010-22056-C06-06, FPA2013-48381-C06-2-P, and FPA2014-55819-C4-3-P of UCM; and finally FPA2010-22056-C06-03, FPA2013-48381-C6-3-P, and FPA2014-55819-C4-2-P of CIEMAT.

Uncontrolled Keywords:Threshold; Scott; Time.
Subjects:Sciences > Physics > Nuclear physics
ID Code:43730
Deposited On:26 Jul 2017 09:49
Last Modified:10 Dec 2018 14:57

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