LRB Top Photo | LRB and LTB V2 Documentation |
LRB Bottom Photo |
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| Maintained by E. Hazen. Updated 5/20/05 |
This page documents the LRB and LTB, which are high-speed 3-channel serial link transmitter and reciever boards. They are used for the CMS experiment HCAL readout at CERN, and for the DØ experiment Silicon Track Trigger at Fermilab.
Links:
| LRB_Report1_12.doc LRB_Report1_12.pdf | LRB Implementation report V1.12 (firmware V2_19) | ||||||||||||
| Eric's LRB Notes | New! Some notes on buffering in the LRB
Plus Special Debugging Firmware LTB_Report.doc | LTB_Report.pdf LTB Design Documentation (v1.1 2/20/01))
| brief.pdf
| LRB Protocol/Connector Brief
(8/26/06 update)
| LRB_V2_data_format.pdf
| LRB Link Data format (8/6/01)
| Hamming.doc | Hamming.pdf Hamming Code and Link Data Format (v1.0 3/25/01)
| LRB_Features.pdf
| Required updates to V1
| Blocks.pdf
| Block Diagram
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| Current Revisions | ||
|---|---|---|
| Transmitter V2.5 | New RJ-45 connectors for links | |
| LTB2_5_fab.zip | Fabrication files (gerber, including paste masks) | |
| LTB_sch.pdf | Schematic | |
| LTB_BOM_24Apr02.xls
LTB_ASSY.pdf | Parts List
Assembly docs including parts list | |
| Transmitter V2.1 | ||
| LTB_PCB2.zip | Fabrication files (gerber, including paste masks) | |
| LTBv2_1_BOM.pdf
LTBv2_1_BOM.xls | Bill of materials | |
| Receiver V2.9 | New RJ-45 connectors for links | |
| LRB2_9_fab.zip | Fabrication files (gerber, including paste masks) | |
| LRB_Sch.pdf | Schematic | |
| LRB_BOM_24Apr02.xls
LRB_ASSY.pdf | Parts List
Assembly documents including parts list | |
| Receiver V2.4 | ||
| LRB_V2_4_SCH.pdf | Schematic | |
| LRBv2_4_FAB.zip | Fabrication files (gerber, including paste masks) | |
| LRBv2_4_BOM.pdf
LRBv2_4_BOM.xls | Bill of materials | |
| Old Revisions | ||
| Receiver V2.0 | ||
| sch_9Nov00.pdf | Schematic - AS BUILT | |
| assembly_docs.pdf | Assembly Documentation | |
| BOM_final.xls | Bill of Materials (spreadsheet file) | |
| LRB_2A.zip | Gerber files of layout | |
| Link Receiver Board (LRB) Spec | E. Hazen, E. Machado | 12/20/99 | Rx_spec_eh.pdf | NOTE: Obsolete! |
| Link Transmitter Board (LTB) | E. Hazen | 3/29/00 | Tx_spec_new.pdf | |
| Link Receiver Board (LRB) Documentation | A. Chertovskikh | 3/19/00 | DOC.pdf | first prototype details (as built) |
| Link Receiver Board (LRB) Schematics | A. Chertovskikh | 3/17/00 | SCH.pdf | first prototype schematic (as built) |
| LTB and LRB Protel files | A. Chertovskikh | 5/31/00 | Protel.zip | Rev.1 as built |
| LTB and LRB Altera files | A. Chertovskikh | 5/31/00 | Altera.zip | Rev 1.0 |
| Updated LTB Altera files | A. Chertovskikh/E. Hazen | 7/12/00 | LTB_V1.1.zip | Rev 1.1 (first working version) |