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Hardware

ECAL consists of ??? lead tungsten modules readout using Avalnache Diode Photodiodes (APDs). There are total of ??? modules divided into upper and lower halves. ECAL APDs are powered usingMod. A1520 12 Ch Flt P 500V 15mA 60Hz from CAEN house in SY1527 HV chassis. The voltage parameters for these channels needs to be controlled using EPICS-based GUIs.

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