mutr shielding & grounding preliminary 10/6/99 (g. hart) additions 1/4/01 (rem)
TRANSCRIPT
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MuTr Shielding & Grounding
Preliminary 10/6/99 (G. Hart)
Additions 1/4/01 (REM)
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1. Title 2. Table of Contents3. Table of Contents (cont) 4. System Diagram5. Chassis 6. Digital section7. Calibration 8. Glink/Clink9. Definitions10. Signal Paths 11. LeCroy HV ground12. HV Dist. Card Schematic 13. HV Dist. Card Assembly 14. HV Dist. Box Assy 15. HV Cable plug assy16. HV Cable assy 17. LVHP Schematic18. LV Dist. Schematic 19. FEE Power Schematic20. Cable, LVHP - LVD 21. Cable, LVD - FEE22. Cable, FEE Pigtail 23. FEE Card Layers24. Cable, FEE Signals 25. Belden 12 AWG Cable26. Cathode PCB Schematic 27. Anode PCB Schematic28. Cathode PCB Comp Side 29. Cathode PCB Pad side
Table of Contents
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30. Anode PCB Comp Side 31. Anode PCB, Pad side32. St. 2 Cathode End View 33. FG Jumper assy34. St. 2 Cathode Side View 35. St. 2 Anode Side View36. Cathode Card Side View 37. ARCnet receiver38. MAX1480 39.
Table of Contents (cont)
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System Diagram
LeCreoy 1469P Card
PHENIX MUON TRACKER CHAMBERS
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Ming’s version of the world
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Calibration overview
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Calibration detail
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Chassis
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LV +
LV -
AMUADCFPGA
ARCnet
+5 V
0 V
Digital section
from preamp
DCM GTM
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Glink/CLink
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Distributed grounds for octant (Stn 2)
ARCnet
HV
calib
G/C
chassis
chassis
chassis
chassis
15
15
15
15
12
12
8
5
LV
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Distributed grounds for Station 2
chamber/CRAG/C
calib
ARCnetHV
… 8 times
LV
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Frame Ground - refers to the chamber metal frames, cable shields, external ground planes of printed wiring boards (PCBs), crates and racks. Possible points (to be investigated) where this may be connected to BNL earth ground are the magnet frame, the Low Voltage High Power (LVHP) crate, and the racks containing the LV & HV power supplies, and the LeCroy high voltage power supply. SIGR-HV - derived from the chamber card “SIGnal Return - High Voltage”, this is the ground side of the chamber signals, and low and high voltage power.
definitions
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Block diagram / Schematic of signal paths
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LeCroy HVPS Ground Schematic
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(This is an insulated box located on the chamber support structure)
High Voltage Distribution Box Schematic
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HV Distribution Card
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HV Distribution Box
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HV Plug box
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HV Coax Assy
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LV High Power VME Supply (BNL-Steve Boose)
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Low Voltage Distribution System Schematic
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FEE Power Schematic
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ITEM # QTY PART # MANUFACTURER DESCRIPTION
Cable; LVHP Supply to LV Distribution Box
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ITEM # DESCRIPTIONQTY PART # MANUFACTURER
Cable; LV Distribution Card to FEE Crate Pigtail
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ITEM # DESCRIPTION
PART #QTY MANUFACTURER
18.0 mm[0.7 inch]
5.1 mm[0.2 inch]
4.8
mm
[0.2
inch
]
11.3
mm
[0.4
inch
]
2 places
2 pl
aces
Cable, Pigtail from FEE Crate backplane
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FEE Printed Wiring Cards layer structure
Backplane LayersControl Card
Layers
Cathode ReadoutCard (CROC)
Layers
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Signal Cable: Chamber PCB to FEE Backplane
Schematic & Assy Drawing
of Signal Cable
Signal Cable: Chamber PCB to FEE Backplane
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Power Cable, Shielded 12 AWG Pair
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Cathode Chamber Card, Schematic
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SIGR-HV
SIGR-HV
SIGR-HV
SIGR-HV
HV+
HV+
SIGR-HV
SIGR-HV
FG
Layer 3
HV+
Layer 4
Layer 1
Layer 2
Layer 5
Layer 6
PCB layup plan
SIGR-HV
SIGR-HV
Anode Chamber Card, Schematic
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Cathode Chamber Card (Typical), component side
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Note square pads to lower left of connectors, these are for the
connections to the frame.
Cathode Chamber Card (Typical), cathode pad side
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Ne square pads to lower left of connectors, these are for the connections to the frame.
Anode Chamber Card (Typical), component side
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Note square pads below connectors, these are for the connections to the frame.
Anode Chamber Card (Typical), anode pad side
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Station 2 Cathode planes, end view
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Jumper, Frame to chamber cards
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Side view of Chamber, Anode cards
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Side view of Chamber, Cathode cards
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ARCnet receiver
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max1480