Institut für Astronomie und Astrophysik Abteilung Astronomie Sand 1, D-72076 Tübingen, Germany

Preprint 02/17

Readout electronics testing during mass production of FlashCam cameras for the Cherenkov Telescope Array

S. Diebold (1), M. Barcelo (2), C. Bauer (2), S. Bernhard (3), M. Biegger (1), M. Capasso (1), F. Eisenkolb (1), S. Eschbach (4), D. Florin (5), C. Föhr (2), S. Funk (4), A. Gadola (5), F. Garrecht (2), G. Hermann (2), I. Jung (4), O. Kalekin (4), C. Kalkuhl (1), J. Kasperek (6), T. Kihm (2), R. Lahmann (4), A. Marszalek (7), M. Pfeifer (4), G. Principe (4), G. Pühlhofer (1), S. Pürckhauer (2), P.J. Rajdad, O. Reimer (3), A. Santangelo (1), T. Schanz (1), S. Sailer (2), T. Schwab (2), S. Steiner (5), U. Straumann (5), C. Tenzer (1), A. Vollhardt (5), F. Werner (2), D. Wolf (5), K. Zietara (7), for the CTA FlashCam project

(1) Institut für Astronomie und Astrophysik, Abteilung Hochenergieastrophysik, Kepler Center for Astro and Particle Physics, Eberhard Karls Universität, Sand 1, 72076 Tübingen, Germany
(2) Max-Planck-Institut für Kernphysik, PO Box 103980, 69029 Heidelberg, Germany
(3) Institut für Astro- und Teilchenphysik, Leopold Franzens Universität Innsbruck, Technikerstraße 25/8, 6020 Innsbruck, Austria
(4) Physikalisches Institut, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erwin-Rommel-Straße 1, 91058 Erlangen, Germany
(5) Physik-Institut, Universität Zürich, Winterthurerstraße 190, 8057 Zürich, Switzerland
(6) AGH University of Science and Technology, Al. Mickiewicza 30, 30-059 Krakow, Poland
(7) Astronomical Observatory, Jagiellonian University, ul. Orla 171, 30-244 Krakow, Poland

To be published in: Proceedings of SPIE, Id. 10399-63

Abstract. The Cherenkov Telescope Array (CTA) will be the future observatory for ground-based TeV gamma-ray astronomy. At two sites, one in the northern and one in the southern hemisphere, CTA will feature about one hundred telescopes of different size classes in order to significantly improve the sensitivity and energy range with respect to current Cherenkov facilities. FlashCam is a camera system proposed for the medium-sized telescopes of CTA that implements a fully-digital readout and trigger processing, which allows the reconfiguration of the trigger algorithm and the signal shaping. For the mass production of a substantial number of FlashCam cameras, efficient and reliable testing routines have been developed. In this contribution, the concept and the procedures for large-scale testing of the readout electronics are outlined. Additionally, a fast multi-channel pulse generator specifically designed for the functional testing of FlashCam FADC modules setup is presented.
 
Key words: Gamma-ray astronomy, CTA, instrumentation, Cherenkov camera, readout electronics, large-scale testing, multi-channel pulse generator

Preprint (6,03 Mb PDF file including figures)

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