Physics – Instrumentation and Detectors
Scientific paper
2011-05-24
Physics
Instrumentation and Detectors
12 pages, 16 figures, EUDET project memo
Scientific paper
We report about the performance of the HBU0 board and the optical calibration system QMB6 in the DESY test beam. A MIP signal was measured on the HBU0 board, providing a reference to the LED amplitude scan, showing an amount of light delivered to each of 12 SiPMs from 0 to 250 MIP at maximum. An ASIC analogue memory cell performance was analyzed in relation with the SiPM signal strength. We observed a non-uniformity and a pedestal shift in the ASIC readout values in the high gain mode for the higher signals strength.
Cvach Jaroslav
Kvasnicka Jiri
Polak Ivo
Zalesak Jaroslav
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