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

被引：4

作者：

Gascon, D. ^{[5
]}

Barrio, J. A. ^{[1
]}

Blanch, O. ^{[2
]}

Boix, J. ^{[2
]}

Delagnes, E. ^{[3
]}

Delgado, C. ^{[4
]}

Freixas, L. ^{[4
]}

Guilloux, F. ^{[3
]}

Coto, R. L. ^{[2
,6
]}

Griffiths, S. ^{[2
]}

Martinez, G. ^{[4
]}

Martinez, O. ^{[2
]}

Sanuy, A. ^{[5
]}

Tejedor, L. A. ^{[1
]}

机构：

[1] Univ Complutense Madrid, Ciudad Univ,Plaza Ciencias S-N, E-28040 Madrid, Spain

[2] IFAE, Edifici CN,Campus UAB, Bellaterra 08193, Spain

[3] Univ Paris Saclay, CEA, IRFU, F-91191 Gif Sur Yvette, France

[4] Ctr Invest Energet Medioambientales & Tecnol CIEM, Ave Complutense 40, Madrid 28040, Spain

[5] Univ Barcelona IEEC UB, Inst Ciencies Cosmos ICCUB, Dept Fis Quant & Astrofis, Marti Franques 1, E-08028 Barcelona, Spain

[6] Max Planck Inst Kernphys, POB 103980, D-69029 Heidelberg, Germany

来源：

JOURNAL OF INSTRUMENTATION | 2016年 / 11卷

关键词：

Analogue electronic circuits; Trigger concepts and systems (hardware and software); Trigger detectors; VLSI circuits; THRESHOLD; SCOTT; TIME;

D O I：

10.1088/1748-0221/11/11/P11017

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

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.

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页数：15

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