A PMT-Block test bench

Details A PMT-Block test bench A PMT-Block test bench

2006-05-08

arxiv.org/abs/physics/0605074v1

Nucl.Instrum.Meth. A564 (2006) 597-607

Physics

Instrumentation and Detectors

23 pages, 10 figures

Scientific paper

10.1016/j.nima.2006.03.045

The front-end electronics of the ATLAS hadronic calorimeter (Tile Cal) is housed in a unit, called {\it PMT-Block}. The PMT-Block is a compact instrument comprising a light mixer, a PMT together with its divider and a {\it 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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