Design of the front-end analog electronics for the ATLAS tile calorimeter
2005
Abstract We describe the design of the analog portion of an electronics system to process signals from the
photomultipliertubes of the ATLAS Tile
Calorimeter. The system has a
16-bitdynamic range and is capable of measuring energy depositions in a single
calorimetercell from ∼ 20 MeV to ∼ 1.3 TeV . In order to maintain the
calorimetercalibration at the 1% level the system includes a charge injection circuit and a current integrator for use with a cesium source system and with the time-averaged currents produced by the LHC. The system also provides a signal for an analog
adderwhich produces an energy sum for each
calorimetertower. Over 10,000 channels of this system have been constructed and delivered for use.
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Correction
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