Characterization and performance of the ASIC (CITIROC) front-end of the ASTRI camera

被引：44

作者：

Impiombato, D. ^{[1
]}

Giarrusso, S. ^{[1
]}

Mineo, T. ^{[1
]}

Catalano, O. ^{[1
]}

Gargano, C. ^{[1
]}

La Rosa, G. ^{[1
]}

Russo, F. ^{[1
]}

Sottile, G. ^{[1
]}

Billotta, S. ^{[2
]}

Bonanno, G. ^{[2
]}

Garozzo, S. ^{[2
]}

Grillo, A. ^{[2
]}

Marano, D. ^{[2
]}

Romeo, G. ^{[2
]}

机构：

[1] Ist Astrofis Spaziale & Fis Cosm Palermo, INAF, I-90146 Palermo, Italy

[2] Osserv Astrofis Catania, INAF, I-95123 Catania, Italy

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2015年 / 794卷

关键词：

Front-end; ASIC for SiPM; ASTRI; CITIROC; CHARACTERIZATION MEASUREMENTS METHODOLOGY; SET-UP OPTIMIZATION; SIPM; DETECTORS; EASIROC; TESTS; CTA;

D O I：

10.1016/j.nima.2015.05.028

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The Cherenkov Imaging Telescope Integrated Read Out Chip, CITIROC, is a chip adopted as the front-end of the camera at the focal plane of the imaging Cherenkov ASTRI dual-mirror small size telescope (ASTRI SST-2M) prototype. This paper presents the results of the measurements performed to characterize CITIROC tailored for the ASTRI SST-2M focal plane requirements. In particular, we investigated the trigger linearity and efficiency, as a function of the pulse amplitude. Moreover, we tested its response by performing a set of measurements using a silicon photomultiplier (SiPM) in dark conditions and under light pulse illumination. The CITIROC output signal is found to vary linearly as a function of the input pulse amplitude. Our results show that it is suitable for the ASTRI SST-2M camera. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：185 / 192

页数：8

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