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TOF & BB FEE Safety Review

Detailed review of readout electronics for PMT signals through signal cables in TOF and BB crate-based designs by Cheng-Yi Chi. Includes layout, power consumption, fanout modules, and more.

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TOF & BB FEE Safety Review

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  1. TOF & BB FEE Safety Review • Readout electronics for PMT signals through signal cables • Both are crate based electronics with similar design features • Design and constructed in Nevis lab., Columbia University By Cheng-Yi Chi

  2. TOF FEE • Locate in the E-ARM/ readout from North and South side • Consist of • 8 FEE crates • (16 16 channel FEE cards and 1 crate interface)/crate • One Clock fanout /crate • Calibration unit/ per side • Rack based in PEH By Cheng-Yi Chi

  3. BB FEE • Consist of • 2 FEE crates • 16 8 channel FEE cards and 1 crate interface • one Clock fanout/crate • One Calibration unit • Rack based in PEH By Cheng-Yi Chi

  4. BB/TOF FEE data/cable flow BB/TOF detector BB use andrew cable TOF use RG58 For BB only Timing fiber clock/Tp units patch pannel arcnet RG174 RG58 cable L1 fiber optics for BB fanout FEM Modules Discriminator output dataway Ribbon cable (TOF only) L1 fiber for TOF Crate Interface Arcnet cable data fiber to DCM Crate By Cheng-Yi Chi

  5. TOF & BB FEE crate layout BB FEM will be similar to TOF FEM Air Flow Front to Back clock fanout TOF FEE crate layout BB FEE crate is 1U higher temperature sensor By Cheng-Yi Chi

  6. TOF and BB FEE Dataway Power Wire By Cheng-Yi Chi

  7. TOF & BB FEE crate Layout (exampled by TOF Crate) Dataway Cooling Fan (Finger Guard will be added) COMAIR/ROTRON MR2B3 Add Terminal block for power By Cheng-Yi Chi

  8. Clock/Test Pulse Fanout Module • Purpose • Fanout clocks/TP to FEM and interface • Input cables • two Lemo cables from calibration units • Output cables • short Lemo cables to FEM and interface card • Fuses on board By Cheng-Yi Chi

  9. Clock Fanout Module (will be mounted in Metal Box) Back View Front View Fuse (+5,-5V) Lemo cable RG174 By Cheng-Yi Chi

  10. Power Consumption/Fuse • Fuse for all systems is • Pico II very fast acting sub-miniature fuses • 251 series • around 70W per BB FEM module • +5VA, -5VA,+5VD,-5VD,+12V • all fused on FEM module • TOF FEM module Power • 6V 3.6A, +6.5V 3.6A By Cheng-Yi Chi

  11. BB FEM • Main Mother Board • with 8 set of • Discriminator 1, TVC, ADC subassemblies • Discriminator 2, TVC, ADC subassemblies • Pulse delay, QVC, ADC subassemblies • Fuses on board • Output cable • optical cable-- chosen by Phenix as whole • Input cables • PMT signal cables, Discriminator output cables (RG58) By Cheng-Yi Chi

  12. Delay Sub assembly card Cable delay discriminator By Cheng-Yi Chi

  13. TOF FEM Board • 16 channel of Mother Board with • 16 discriminator sub-assemblies • Fused on board • Input cable • (signal) RG58, (clock, TP) RG174 • Output cable • Twist pair cable to crate interface By Cheng-Yi Chi

  14. TOF FEM PMT signal in (RG58) To crate interface via flat ribbon cable FUSE Clock,TP By Cheng-Yi Chi

  15. BB/TOF FEE crate Interface • Input cables • ARCNET --- Decide by Phenix • Short Twist Flat Cable from Calibration unit • 2 short flat ribbon cables from TOF FEM • Output Cable • Optical -- Decide by Phenix as whole • Fuse on board By Cheng-Yi Chi

  16. TOF/BB crate interface Interface to timing raw data and L1 input from TOF FEM To DCM ARCNET To Level 1 By Cheng-Yi Chi

  17. TOF FEM- Interface card Level 1 trigger cable By Cheng-Yi Chi

  18. Calibration/Clock unit • assumed to be 1U height • Similar arranged as clock fanout unit • on board fuse • output cables • lemo cables, 4 • Input cable • optical fiber , ARCNET By Cheng-Yi Chi

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