A PMT-Block test bench
Adragna, P. · Antonaki, A. · Boudagov, I. · Cavasinni, V. · Costanzo, D. · Del Prete, T. · Dotti, A. · Fassouliotis, D. · Giakoumopoulou, V. · Giokaris, N. · Guicheney, C. · Karali, E. · Khubua, J. · Lebessi, M. · Lupi, A. · Manoussakis, A. · Mazzoni, E. · Minashvili, I. · Morphi, M. · Pagani, G. F. · Paoletti, R. · Rizzi, D. · Roda, C. · Sarri, F. · Staveris-Polykalas, Ath. · Staveris-Polykalas, Th. · Stoudenov, S. · Usai, G. · Vazeille, F. · Vellidis, C. · Vichou, I. · Vivarelli, I. · Volpi, M.
الأصل · EN
The front-end electronics of the ATLAS hadronic calorimeter (Tile Cal) is housed in a unit, called PMT-Block. The PMT-Block is a compact instrument comprising a light mixer, a PMT together with its divider and a 3-in-1 card, which provides shaping, amplification and integration for the signals. This instrument needs to be qualified before being assembled on the detector. A PMT-Block test bench has been developed for this purpose. This test bench is a system which allows fast, albeit accurate enough, measurements of the main properties of a complete PMT-Block. The system, both hardware and software, and the protocol used for the PMT-Blocks characterisation are described in detail in this report. The results obtained in the test of about 10000 PMT-Blocks needed for the instrumentation of the ATLAS (LHC-CERN) hadronic Tile Calorimeter are also reported.
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