Preparations for Final Mechanical Design Review
Jan Boissevain

• Defining LVDS alternative for data links
  • MCM output cable: 40 contacts, includes data links
    No solution to separate connector for data links

  • LVDS chips or fiber-optic drivers mount on Power/Communication cable => no separate circuit board

  • Cable choice: 3M 90101 series .025" pleated foil sheilded cable

  • Conector choice: 81000 series 26 contact header (.050 x .100)
    82000 series 26 contact wire mount socket conectors

• Update component models
  • Foam Cage: glue joint and bias connection reliefs

  • MCM input connections matches pad detector
    
    • Bypass capacitor issue still to be resolved

  • Update silicon/mcm kapton cables
    • Includes traces for both guard rings, bias return, and bias

  • LVDS change affects the motherboards and end plates

  • MCM output cable affects plenums and plenum adapters

• Detain components
  • Modeling should be done March 7

  • Detailing done mid March

• System Inegration Issues
  • Rack space requirements - still not complete

  • Personnel Lift: revised document by Debbie

  • Misc

Figures Shown:

1. MVD System Test Block Diagram
2. MCM & Output Cable
3. MVD
4. Cage with Plenum
5. Location of Silicon Bias and Interfaces Crates
6. Power/Communications Cable
7. End Plate (cooling)
8. End Plate with Electronics