TileCal PMT Block

Tile Calorimeter

PMT Block

Mechanical assembly drawing with key dimensions
(light mixer,magnetic shielding, PMT)
PMT Voltage divider
3-in-1 Board with front end electronics
- Block diagram of organization and functionality
- Mechanical
  - External dimensions
  - Overall cable assembly
- Electrical
  - Electronics drawings (schematics, component placement, artwork, cable assembly details, etc.)
  - EPLD program
- Performance
  - Pulse shape
  - Fractional variation near peak to see effect of sampling time jitter
Simulated radiation levels over 10 years at z=275cm, as of 11/18/00
- Total ionizing dose 2.5 Gy (0.25 Krad)
- Non-ionizing radiation 2.3 x 10¹¹ 1-MeV-equiv-neutrons/cm²
- Hadrons above 20 MeV 5.7 x 10¹⁰/cm²
3-in-1 Production Information
- Specifications
- Received from assembly vendor
- Shipped to CERN after burn-in and testing
- Test Results (QC Sheets)