Power Supply

High voltage power supplies

The high voltage is supplied equivalently and independently to each super-drawer in which a special HV distributor supplies up to 48 PMTs.

High voltage source:

• Main HV source layout
• Principal scheme of 16 channel HV crate

HV source Documentation

• Instruction manual
• Motherboard Description and Schematic
• Interface Description and Schematic
• Keyboard Description and Schematic
• Control Unit Description and Schematic
• Regulators Description and Schematic
• HVPS Description and Schematic

High voltage distributors

• super-drawer HV regulation units
• HV distributor organization
• Distribution board schematics
• HVmicro CPU board schematics
• HV control system
• Difference between applied HV and reading from ADC

Low voltage power supplies

Two low voltage supply systems are used:

• LV for the HV distributors
• LV for the read-out electronics
• LVPS in the finger
(needs updating)
• Brick Modifications v6.5.1
• Brick Modifications v6.5.2
• ELMB_MB Modifications v6.5.1
• ELMB_MB Modifications v6.5.2
• ELMB_MB Modifications v6.5.3
• List of modifed bricks (updated 14 nov 2006)
• Web forms for tracking LVPS operations
  • LVPS Modification Form
  • QA Form
  • Test/repair Form
  • Install in Finger Form
  • Remove from Finger Form
  • Recalibration From
  • Retrim Form
• QA Procedure Instructions
• LVPS commissioning
• LVPS calibration at PIT
• LVPS TRIM Raw-DB

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Maintained by Larry (last update: 22 November 2006)