HV controler card is CERN-made VME cart described by EDA-01209-V2. It contains DAC and ADC.

• ADCs are 12 Bits Analog Device AD7938BSU-6 clocked at 12MHz

The card is giving problems when switching from PPC to Linux CPU (see Bogna's presentation)

HV power supply is an in-house construction (J. Koopman) providing HV up to 12 kV.