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Proceedings Paper

Front-end and slow control electronics for large area SiPMs used for the single mirror Small Size Telescope (SST-1M) of the Cherenkov Telescope Array (CTA)
Author(s): J. A. Aguilar; W. Bilnik; J. Borkowski; F. Cadoux; A. Christov; D. della Volpe; Y. Favre; M. Heller; J. Kasperek; E. Lyard; A. Marszalek; R. Moderski; T. Montaruli; A. Porcelli; E. Prandini; P. Rajda; M. Rameez; E. jr. Schioppa; I. Troyano Pujadas; K. Ziętara; J. Blocki; L. Bogacz; T. Bulik; M. Curyło; M. Dyrda; A. Frankowski; Ł. Grudniki; M. Grudzinska; B. Idźkowski; M. Jamrozy; M. Janiak; K. Lalik; E. Mach; D. Mandat; J. Michalowski; A. Neronov; J. Niemiec; M. Ostrowski; P. Paśko; M. Pech; P. Schovanek; K. Seweryn; K. Skowron; V. Sliusar; M. Sowinski; Ł. Stawarz; M. Stodulska; M. Stodulski; S. Toscano; R. Walter; M. Więcek; A. Zagdański; P. Żychowski
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Paper Abstract

The single mirror Small Size Telescope (SST-1M) project proposes a design among others for the smallest type of telescopes (SST), that will compose the south observatory of the Cherenkov Telescope Array (CTA). The SST camera collecting the Cherenkov light resulting from very high energy gamma-ray interactions in the atmosphere proposes to use Silicon PhotoMultipliers (SiPM). The SST-1M design has led to the use of unique pixel shape and size that required a dedicated development by the University of Geneva and Hamamatsu. An active surface of ~94 mm2 and a resulting total capacitance of ~3.4 nF combined with the stringent requirements of the CTA project on timing and charge resolution have led the University of Geneva to develop a custom preamplifier stage and slow-control system. The design and performance of the tailor made preamplifier stage and of the slow control electronics will be briefly described. The bias circuit of the sensor contains a resistor meant to prevent the sensor from drawing high current. However this resistor also introduces a voltage drop at the sensor input impacting the stability of its operation. A model has been developed in order to derive the parameters needed to account for it at the data analysis level. A solution based on the SST-1M front-end and digital readout is proposed to compensate for the voltage drop at the sensor cathode.

Paper Details

Date Published: 27 July 2016
PDF: 8 pages
Proc. SPIE 9915, High Energy, Optical, and Infrared Detectors for Astronomy VII, 99152T (27 July 2016); doi: 10.1117/12.2232982
Show Author Affiliations
J. A. Aguilar, Univ. de Genève (Switzerland)
Univ. Libre Bruxelles (Belgium)
W. Bilnik, AGH Univ. of Science and Technology (Poland)
J. Borkowski, AGH Univ. of Science and Technology (Poland)
F. Cadoux, Univ. de Genève (Switzerland)
A. Christov, Univ. de Genève (Switzerland)
D. della Volpe, Univ. de Genève (Switzerland)
Y. Favre, Univ. de Genève (Switzerland)
M. Heller, Univ. de Genève (Switzerland)
J. Kasperek, AGH Univ. of Science and Technology (Poland)
E. Lyard, ISDC Data Ctr. for Astrophysics (Switzerland)
A. Marszalek, Instytut Fizyki Jądrowej (Poland)
R. Moderski, Nicolaus Copernicus Astronomical Ctr. (Poland)
T. Montaruli, Univ. de Genève (Switzerland)
A. Porcelli, Univ. de Genève (Switzerland)
E. Prandini, ISDC Data Ctr. for Astrophysics (Switzerland)
P. Rajda, AGH Univ. of Science and Technology (Poland)
M. Rameez, Univ. de Genève (Switzerland)
E. jr. Schioppa, Univ. de Genève (Switzerland)
I. Troyano Pujadas, Univ. de Genève (Switzerland)
K. Ziętara, Jagiellonian Univ. in Krakow (Poland)
J. Blocki, Instytut Fizyki Jądrowej (Poland)
L. Bogacz, Jagiellonian Univ. in Krakow (Poland)
T. Bulik, Univ. of Warsaw (Poland)
M. Curyło, Instytut Fizyki Jądrowej (Poland)
M. Dyrda, Instytut Fizyki Jądrowej (Poland)
A. Frankowski, Nicolaus Copernicus Astronomical Ctr. (Poland)
Ł. Grudniki, Instytut Fizyki Jądrowej (Poland)
M. Grudzinska, Univ. of Warsaw (Poland)
B. Idźkowski, Jagiellonian Univ. in Krakow (Poland)
M. Jamrozy, Jagiellonian Univ. in Krakow (Poland)
M. Janiak, Nicolaus Copernicus Astronomical Ctr. (Poland)
K. Lalik, AGH Univ. of Science and Technology (Poland)
E. Mach, Instytut Fizyki Jądrowej (Poland)
D. Mandat, Institute of Physics of the Czech Academy of Sciences (Czech Republic)
J. Michalowski, Instytut Fizyki Jądrowej (Poland)
A. Neronov, ISDC Data Ctr. for Astrophysics (Switzerland)
J. Niemiec, Instytut Fizyki Jądrowej (Poland)
M. Ostrowski, Jagiellonian Univ. in Krakow (Poland)
P. Paśko, Ctr. Badań Kosmicznych Polskiej Akademii Nauk (Poland)
M. Pech, Institute of Physics of the Czech Academy of Sciences (Czech Republic)
P. Schovanek, Institute of Physics of the Czech Academy of Sciences (Czech Republic)
K. Seweryn, Ctr. Badań Kosmicznych Polskiej Akademii Nauk (Poland)
K. Skowron, Instytut Fizyki Jądrowej (Poland)
V. Sliusar, ISDC Data Ctr. for Astrophysics (Switzerland)
Taras Shevchenko National Univ. of Kyiv (Ukraine)
M. Sowinski, Instytut Fizyki Jądrowej (Poland)
Ł. Stawarz, Jagiellonian Univ. in Krakow (Poland)
M. Stodulska, Instytut Fizyki Jądrowej (Poland)
M. Stodulski, Instytut Fizyki Jądrowej (Poland)
S. Toscano, ISDC Data Ctr. for Astrophysics (Switzerland)
Vrije Univ. Brussels (Belgium)
R. Walter, ISDC Data Ctr. for Astrophysics (Switzerland)
M. Więcek, AGH Univ. of Science and Technology (Poland)
A. Zagdański, Jagiellonian Univ. in Krakow (Poland)
P. Żychowski, Instytut Fizyki Jądrowej (Poland)


Published in SPIE Proceedings Vol. 9915:
High Energy, Optical, and Infrared Detectors for Astronomy VII
Andrew D. Holland; James Beletic, Editor(s)

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