Author/Authors :
Anderson، نويسنده , , K. and Gupta، نويسنده , , A. and Merritt، نويسنده , , F. and Oreglia، نويسنده , , M. and Pilcher، نويسنده , , J. and Sanders، نويسنده , , H. and Shochet، نويسنده , , M. and Tang، نويسنده , , F. and Teuscher، نويسنده , , R. and Wu، نويسنده , , H. and Blanchot، نويسنده , , G. and Cavalli-Sforza، نويسنده , , M. and Korolkov، نويسنده , , I.، نويسنده ,
Abstract :
We describe the design of the analog portion of an electronics system to process signals from the photomultiplier tubes of the ATLAS Tile Calorimeter. The system has a 16-bit dynamic range and is capable of measuring energy depositions in a single calorimeter cell from ∼ 20 MeV to ∼ 1.3 TeV . In order to maintain the calorimeter calibration 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 adder which produces an energy sum for each calorimeter tower. Over 10,000 channels of this system have been constructed and delivered for use.
Keywords :
ELECTRONICS , Calibration , Tile , ATLAS , Readout , Calorimeter
