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v2.6 FEB2 Prototype Board

This TWiki aims to gather all resources regarding the v2.6 FEB2 prototype board.


Git Repositories & Project Action Items

All FEB2 project reposities are hosted under the namespace ` feb2`.
Repository Link Action Items
FEB2 GUI gitlab.cern.ch/feb2/gui-new  
FEB2 Prototype Analysis https://gitlab.cern.ch/feb2/polars-feb-2-analysis  

FLX Backups

Backups of the relevant directories on FLX are made automatically throughout the day. The location of the backups is `/nevis/xenia2/data/users/atlas/`.

Backups are executed by a crontab in the generic `atlas` username [password: feb + 1998 + a (without '+'s).]

To modify the cronjob, log in and run `crontab -e`. The current script being run is ~atlas/bin/rsync.sh, which backs up `FLX` on the FLX server and `cv4tb` on berenice.

Board Architecture Documentation

Document Description
   
  Overall power distribution
  Optics
  Initial powerup board
FEB2SlowControl_ICECRequirements_v1.pdf Board ASIC configuration document

Board Layout and Schematic

File Description
  FEB2 v2.6 schematic in .sch format
  FEB2 v2.6 schematic in pdf format
  FEB2 v2.6 layout in .pcb format
  FEB2 v2.6 layout in pdf format
FEB2_mapping.pdf High level data/power path map
FEB2-thermisters-v2.6.pdf Thermistor locations
bPol48V_JAE_connector2.PcbDoc bPOL48V mezzanine layout
bPol48V_JAE_connector2.SchDoc bPOL48V mezzanine schematic
FEB2_2p6_BillOfMaterials_EM_assembly_mar_4.txt FEB2 v2.6 bill of materials for assembly

PCB Documentation

File Description
  Layout components pdf files

Chip Documentation

File Description
COLUTAV4_ds.pdf COLUTAv4 Datasheet
4_20_2022_ALFE2_datasheet_0.1_draft.pdf ALFE2 Datasheet
Note-HPSconfig.pdf HPS Datasheet
lpGBT_manual.pdf lpGBT Datasheet
VTRxPlusApplicationNote.pdf
VTRxPlus_spec.pdf
VLplus_quadLDD_spec_v1.4.pdf
VTRx+ Datasheet
bPOL48V_V2.3_Datasheet.pdf bPOL48V Datasheet
bPOL12V_V6_datasheet_V1.6.pdf bPOL12V Datasheet
  LSB2 Datasheet

Presentations, Reports, and Reviews



Date Event Speaker Link
June 25, 2024 FEB2 PDR Follow-Up Review Various https://indico.cern.ch/event/1416681/
Oct 1, 2024 LAr Week Gabriel Matos https://indico.cern.ch/event/1459721/contributions/6151008/attachments/2938061/5161585/20241001_lar_week_feb2.pdf

Reference Images

Link Description
colutaV4LayoutPicture.png COLUTAv4 Overall Layout
colutaV4_blockDiagram.png COLUTAv4 Block Diagram
bpol48VmezzV2_front.jpeg bPOL48V Mezzanine Front
bpol48VmezzV2_back.jpeg bPOL48V Mezzanine Back
bPOL12VcircuitOnFEB2v2p5Board.jpeg bPOL12V Circuit on Board
feb2v2p5_fullPowered.jpg FEB2 v2.5 Powered and Configured
feb2v2p5_fullPoweredBack.jpg FEB2 v2.5 Back
feb2v2p5_halfPowered.png FEB2 v2.5 Half Powered and Configured
feb2_v2.5_HEC_powered.jpg FEB2 2.5 HEC Board, powered


Other Documents



felix-user-manual.pdf

Remotely programming FLX firmware: https://foswiki.nevis.columbia.edu/pub/ATLAS/V2P6FEB2Prototype/20240906_feb2proto_remotelyUpdatingFlx712FW.pdf

The script program_fpga.sh in the atlas-group account can be used to program the FPGA via the CLI.

Sept 18, 2025: Current firmware to use is bitfiles/extend_adc/FLX712_LpGBT_RM0406_24CH_48_OPT_LOCALCLK_GIT_bit-error_1f5c2b4_1_250408_11_11.bit

Board Specific Pages
Board Number Location
   
   
   

Test Setup Documentation

Known Issues

Comments

I Attachment Action Size Date Who Comment
1pa_1adc_1lpgbt.pdfpdf 1pa_1adc_1lpgbt.pdf manage 1 MB 16 Aug 2022 - 06:08 JaroslavBan  
1pa_1adc_1lpgbt.schsch 1pa_1adc_1lpgbt.sch manage 423 K 16 Aug 2022 - 05:55 JaroslavBan  
20221214_power_scheme.pdfpdf 20221214_power_scheme.pdf manage 15 K 14 Dec 2022 - 18:18 BrianKirby  
20240314_feb2v2_felixConnectorsPicture.jpgjpg 20240314_feb2v2_felixConnectorsPicture.jpg manage 220 K 14 Mar 2024 - 14:24 BrianKirby  
20240314_feb2v2_felixPicture.jpgjpg 20240314_feb2v2_felixPicture.jpg manage 223 K 14 Mar 2024 - 14:24 BrianKirby  
20240411_FEB2_COLUTA_CH_MAPPING_-_Sheet1.pdfpdf 20240411_FEB2_COLUTA_CH_MAPPING_-_Sheet1.pdf manage 71 K 11 Apr 2024 - 18:28 BrianKirby  
20240411_FEB2prototype_CV4_MDAC_calibrationProcess.pdfpdf 20240411_FEB2prototype_CV4_MDAC_calibrationProcess.pdf manage 132 K 20 Jun 2025 - 13:58 BrianKirby  
20240613_integrationFeb2v2Control.pdfpdf 20240613_integrationFeb2v2Control.pdf manage 28 K 13 Jun 2024 - 19:26 BrianKirby  
20240906_FELIXPatchBoxMapping_FibrePatchMap.pdfpdf 20240906_FELIXPatchBoxMapping_FibrePatchMap.pdf manage 26 K 06 Sep 2024 - 17:12 BrianKirby  
20240906_feb2proto_remotelyUpdatingFlx712FW.pdfpdf 20240906_feb2proto_remotelyUpdatingFlx712FW.pdf manage 484 K 06 Sep 2024 - 15:48 BrianKirby  
20240906_felixChannelToLpgbtMapping.pdfpdf 20240906_felixChannelToLpgbtMapping.pdf manage 39 K 06 Sep 2024 - 17:11 BrianKirby  
3ADC_to_2LPGBT.pngpng 3ADC_to_2LPGBT.png manage 200 K 16 Aug 2022 - 07:03 JaroslavBan  
3pa_3adc_2lpgbt_even.pcbpcb 3pa_3adc_2lpgbt_even.pcb manage 4 MB 16 Aug 2022 - 05:55 JaroslavBan  
3pa_3adc_2lpgbt_even.pdfpdf 3pa_3adc_2lpgbt_even.pdf manage 4 MB 16 Aug 2022 - 06:08 JaroslavBan  
3pa_3adc_2lpgbt_even.schsch 3pa_3adc_2lpgbt_even.sch manage 1 MB 16 Aug 2022 - 05:55 JaroslavBan  
3pa_3adc_2lpgbt_odd.pcbpcb 3pa_3adc_2lpgbt_odd.pcb manage 4 MB 16 Aug 2022 - 05:55 JaroslavBan  
3pa_3adc_2lpgbt_odd.pdfpdf 3pa_3adc_2lpgbt_odd.pdf manage 4 MB 16 Aug 2022 - 06:08 JaroslavBan  
3pa_3adc_2lpgbt_odd.schsch 3pa_3adc_2lpgbt_odd.sch manage 1 MB 16 Aug 2022 - 05:55 JaroslavBan  
ALFE-BGA196.pdfpdf ALFE-BGA196.pdf manage 482 K 15 Sep 2022 - 16:45 JaroslavBan  
ALFE2_PAD_to_BGA_Reference_Sheet.20211208.xlsxxlsx ALFE2_PAD_to_BGA_Reference_Sheet.20211208.xlsx manage 66 K 15 Sep 2022 - 16:45 JaroslavBan  
ALFE_V2_BGA_pins.csvcsv ALFE_V2_BGA_pins.csv manage 6 K 15 Sep 2022 - 16:45 JaroslavBan  
BCR_connections.xlsxxlsx BCR_connections.xlsx manage 10 K 15 Sep 2022 - 16:45 JaroslavBan  
BillOfMaterials.txttxt BillOfMaterials.txt manage 10 K 08 Feb 2023 - 17:38 BrianKirby Initial power up board
COLUTA-BGA196_ballout_jb.xlsxxlsx COLUTA-BGA196_ballout_jb.xlsx manage 14 K 15 Sep 2022 - 16:45 JaroslavBan  
COLUTA_to_LpGBT_mapping.xlsxxlsx COLUTA_to_LpGBT_mapping.xlsx manage 65 K 16 Aug 2022 - 07:03 JaroslavBan  
Calibration_Procedure_of_SAR_in_COLUTAV3_original.pdfpdf Calibration_Procedure_of_SAR_in_COLUTAV3_original.pdf manage 272 K 21 Oct 2024 - 16:40 BrianKirby  
Custom_fiber_cables_v5.xlsxxlsx Custom_fiber_cables_v5.xlsx manage 9 K 02 Aug 2024 - 19:01 BrianKirby  
FEB2-thermisters-v2.6.pdfpdf FEB2-thermisters-v2.6.pdf manage 652 K 19 Sep 2025 - 16:11 JonathanLong  
FEB2ConfigurationOverviewAndDevelopment.pdfpdf FEB2ConfigurationOverviewAndDevelopment.pdf manage 1 MB 20 Jun 2025 - 13:58 BrianKirby  
FEB2SlowControl_ICECRequirements_v1.pdfpdf FEB2SlowControl_ICECRequirements_v1.pdf manage 48 K 16 Oct 2024 - 15:19 BrianKirby  
FEB2SlowControl_ICECRequirements_v2_on.pdfpdf FEB2SlowControl_ICECRequirements_v2_on.pdf manage 176 K 20 Jun 2025 - 13:58 BrianKirby  
FEB2_2p6_BillOfMaterials_EM_assembly_mar_4.txttxt FEB2_2p6_BillOfMaterials_EM_assembly_mar_4.txt manage 234 K 16 May 2025 - 15:09 BrianKirby  
FEB2_BCR_distribution.pptxpptx FEB2_BCR_distribution.pptx manage 759 K 16 Aug 2022 - 07:03 JaroslavBan  
FEB2_block_diagrams_v2p0.pptxpptx FEB2_block_diagrams_v2p0.pptx manage 1 MB 16 Aug 2022 - 07:03 JaroslavBan  
FEB2_fiber_identification.pptxpptx FEB2_fiber_identification.pptx manage 882 K 16 Aug 2022 - 07:03 JaroslavBan  
FEB2_fiber_routing_June-19-2024.xlsxxlsx FEB2_fiber_routing_June-19-2024.xlsx manage 13 K 06 Sep 2024 - 16:29 BrianKirby  
FEB2_mapping.pdfpdf FEB2_mapping.pdf manage 370 K 17 Feb 2025 - 16:33 JonathanLong High level map of data paths and powering
FEB2_power.docxdocx FEB2_power.docx manage 13 K 16 May 2023 - 16:07 BrianKirby  
FEB2_prototype_study_v12.pdfpdf FEB2_prototype_study_v12.pdf manage 54 MB 09 Sep 2022 - 17:34 JaroslavBan  
FEB2_prototype_v0_schematics.pdfpdf FEB2_prototype_v0_schematics.pdf manage 937 K 09 Sep 2022 - 17:18 JaroslavBan  
FEB2_prototype_v2.stepstep FEB2_prototype_v2.step manage 7 MB 29 Jan 2024 - 15:59 BrianKirby  
FEB2_prototype_v25_optics.pcbpcb FEB2_prototype_v25_optics.pcb manage 46 MB 08 Feb 2023 - 17:13 BrianKirby  
FEB2_prototype_v25_optics.pdfpdf FEB2_prototype_v25_optics.pdf manage 26 MB 08 Feb 2023 - 17:12 BrianKirby  
FEB2_prototype_v26.pcbpcb FEB2_prototype_v26.pcb manage 47 MB 08 Mar 2023 - 12:43 JaroslavBan  
FEB2_prototype_v26.schsch FEB2_prototype_v26.sch manage 12 MB 08 Mar 2023 - 12:43 JaroslavBan  
FEB2_prototype_v26_mechanics.pdfpdf FEB2_prototype_v26_mechanics.pdf manage 57 MB 31 Mar 2023 - 11:23 JaroslavBan Front panel drawing
FEB2_prototype_v26_schematicsPdf2.pdfpdf FEB2_prototype_v26_schematicsPdf2.pdf manage 6 MB 14 Nov 2023 - 17:26 BrianKirby  
FEB2_prototype_v27.dxfdxf FEB2_prototype_v27.dxf manage 64 MB 06 Apr 2023 - 16:57 BrianKirby  
FEB2_prototype_v2_layout.pdfpdf FEB2_prototype_v2_layout.pdf manage 14 MB 09 Sep 2022 - 17:08 JaroslavBan  
FEB2_prototype_v2p0.pcbpcb FEB2_prototype_v2p0.pcb manage 50 MB 20 Feb 2024 - 20:51 BrianKirby  
FEB2_prototype_v2p0.schsch FEB2_prototype_v2p0.sch manage 12 MB 20 Feb 2024 - 20:51 BrianKirby  
FEB2_prototype_v2p0_bottom_parts_only.pdfpdf FEB2_prototype_v2p0_bottom_parts_only.pdf manage 14 MB 20 Mar 2024 - 10:44 BrianKirby  
FEB2_prototype_v2p0_layout.pdfpdf FEB2_prototype_v2p0_layout.pdf manage 32 MB 15 Mar 2024 - 02:22 BrianKirby  
FEB2_prototype_v2p0_schematics.pdfpdf FEB2_prototype_v2p0_schematics.pdf manage 6 MB 14 Mar 2024 - 14:08 BrianKirby  
FEB2_prototype_v2p0_top_parts_only.pdfpdf FEB2_prototype_v2p0_top_parts_only.pdf manage 23 MB 20 Mar 2024 - 10:45 BrianKirby  
FEB2_prototype_v2p5_assembly_variant_Value1.pcbpcb FEB2_prototype_v2p5_assembly_variant_Value1.pcb manage 59 MB 20 Sep 2024 - 15:07 BrianKirby  
FEB2_prototype_v2p5_assembly_variant_Value1.schsch FEB2_prototype_v2p5_assembly_variant_Value1.sch manage 13 MB 20 Sep 2024 - 15:07 BrianKirby  
FEB2_prototype_v2p5_assembly_variant_Value2.pcbpcb FEB2_prototype_v2p5_assembly_variant_Value2.pcb manage 59 MB 20 Sep 2024 - 15:07 BrianKirby  
FEB2_prototype_v2p5_assembly_variant_Value2.schsch FEB2_prototype_v2p5_assembly_variant_Value2.sch manage 13 MB 20 Sep 2024 - 15:07 BrianKirby  
FEB2_prototype_v2p5_final_layout.pdfpdf FEB2_prototype_v2p5_final_layout.pdf manage 60 MB 18 Jul 2024 - 03:38 BrianKirby  
FEB2_prototype_v2p5_final_schematic.pdfpdf FEB2_prototype_v2p5_final_schematic.pdf manage 6 MB 18 Jul 2024 - 03:38 BrianKirby  
FEB2_prototype_v2p6_EM_assembly.pngpng FEB2_prototype_v2p6_EM_assembly.png manage 1 MB 24 Jan 2025 - 20:38 JonathanLong  
FELIX-related-low-level-development_3_backup.pdfpdf FELIX-related-low-level-development_3_backup.pdf manage 110 K 10 Nov 2023 - 02:33 BrianKirby  
FLX712_LpGBT_RM0406_24CH_LOCALCLK_GIT_master_a5c8df7_1_240314_16_58.bitbit FLX712_LpGBT_RM0406_24CH_LOCALCLK_GIT_master_a5c8df7_1_240314_16_58.bit manage 18 MB 18 Jun 2024 - 16:28 BrianKirby  
HEC.jpgjpg HEC.jpg manage 1 MB 22 Jul 2025 - 19:01 JonathanLong v2.5 HEC Board
ImageFEB2_prototype_v18.pngpng ImageFEB2_prototype_v18.png manage 1 MB 02 Dec 2022 - 17:45 BrianKirby  
LpGBT_to_VTRX_connections.xlsxxlsx LpGBT_to_VTRX_connections.xlsx manage 10 K 08 Feb 2023 - 17:12 BrianKirby  
Note-HPSconfig.pdfpdf Note-HPSconfig.pdf manage 454 K 13 Dec 2024 - 18:05 BrianKirby  
Programming_Manual__AFG_Rev1_2.pdfpdf Programming_Manual__AFG_Rev1_2.pdf manage 1 MB 18 Dec 2024 - 18:08 BrianKirby  
Reuse_coordinates.xlsxxlsx Reuse_coordinates.xlsx manage 11 K 15 Sep 2022 - 16:45 JaroslavBan  
Screenshot_from_2022-08-15_15-21-36.pngpng Screenshot_from_2022-08-15_15-21-36.png manage 895 K 15 Aug 2022 - 19:22 BrianKirby FEB2 Prototype initial layout picture
VLplus_quadLDD_spec_v1.4.pdfpdf VLplus_quadLDD_spec_v1.4.pdf manage 741 K 16 Oct 2024 - 15:20 BrianKirby  
VTRxPlusApplicationNote.pdfpdf VTRxPlusApplicationNote.pdf manage 1 MB 16 Oct 2024 - 15:20 BrianKirby  
VTRxPlus_spec.pdfpdf VTRxPlus_spec.pdf manage 1 MB 16 Oct 2024 - 15:20 BrianKirby  
bPOL12V_V6_datasheet_V1.6.pdfpdf bPOL12V_V6_datasheet_V1.6.pdf manage 8 MB 14 Nov 2023 - 15:21 BrianKirby  
bPOL12VcircuitOnFEB2v2p5Board.jpegjpeg bPOL12VcircuitOnFEB2v2p5Board.jpeg manage 2 MB 16 Oct 2024 - 14:38 BrianKirby  
bPOL48V_V2.3_Datasheet.pdfpdf bPOL48V_V2.3_Datasheet.pdf manage 1 MB 19 Jan 2024 - 19:51 BrianKirby  
bPol48V_JAE_connector2.PcbDocPcbDoc bPol48V_JAE_connector2.PcbDoc manage 3 MB 16 Sep 2024 - 15:04 BrianKirby  
bPol48V_JAE_connector2.SchDocSchDoc bPol48V_JAE_connector2.SchDoc manage 560 K 16 Sep 2024 - 15:04 BrianKirby  
bpol48VmezzV2_back.jpegjpeg bpol48VmezzV2_back.jpeg manage 6 MB 16 Oct 2024 - 14:38 BrianKirby  
bpol48VmezzV2_front.jpegjpeg bpol48VmezzV2_front.jpeg manage 6 MB 16 Oct 2024 - 14:38 BrianKirby  
feb2ProtoImage.pngpng feb2ProtoImage.png manage 715 K 13 Feb 2023 - 12:26 BrianKirby  
feb2_prototype_v12_image.pngpng feb2_prototype_v12_image.png manage 895 K 09 Sep 2022 - 17:05 BrianKirby  
feb2_v2p5_layoutImage.pngpng feb2_v2p5_layoutImage.png manage 843 K 18 Jul 2024 - 03:39 BrianKirby  
feb2v2p5_fullPowered.jpgjpg feb2v2p5_fullPowered.jpg manage 143 K 16 Oct 2024 - 14:38 BrianKirby  
feb2v2p5_fullPoweredBack.jpgjpg feb2v2p5_fullPoweredBack.jpg manage 194 K 16 Oct 2024 - 14:38 BrianKirby  
feb2v2p5_halfPowered.pngpng feb2v2p5_halfPowered.png manage 967 K 16 Oct 2024 - 14:38 BrianKirby  
felix-user-manual.pdfpdf felix-user-manual.pdf manage 14 MB 17 Jul 2023 - 13:28 BrianKirby  
felix_packet.pdfpdf felix_packet.pdf manage 49 K 07 Feb 2025 - 21:22 JonathanLong Description of data packets readout from the felix
init_powerup_CAM.zipzip init_powerup_CAM.zip manage 327 K 08 Feb 2023 - 17:38 BrianKirby Initial power up board
init_pwr_up.pcbpcb init_pwr_up.pcb manage 1 MB 08 Feb 2023 - 17:38 BrianKirby Initial power up board
init_pwr_up.schsch init_pwr_up.sch manage 515 K 08 Feb 2023 - 17:38 BrianKirby Initial power up board
init_pwr_up_fpga.zipzip init_pwr_up_fpga.zip manage 26 MB 08 Feb 2023 - 17:38 BrianKirby Initial power up board
init_pwr_up_fpga_simulation.zipzip init_pwr_up_fpga_simulation.zip manage 5 MB 08 Feb 2023 - 17:38 BrianKirby Initial power up board
lpGBT_manual.pdfpdf lpGBT_manual.pdf manage 5 MB 08 Jun 2023 - 13:12 BrianKirby  
power_scheme.pdfpdf power_scheme.pdf manage 806 K 22 Mar 2023 - 13:43 JaroslavBan  
sliceBoardFeb2Protoboard_i2cConfiguration.pdfpdf sliceBoardFeb2Protoboard_i2cConfiguration.pdf manage 194 K 02 Mar 2023 - 16:20 BrianKirby  
sliceBoardFeb2Protoboard_i2cConfiguration_20231129.pdfpdf sliceBoardFeb2Protoboard_i2cConfiguration_20231129.pdf manage 469 K 20 Jun 2025 - 13:58 BrianKirby  
v2_FEB2_prototype_pcbLayoutImage.pngpng v2_FEB2_prototype_pcbLayoutImage.png manage 1 MB 29 Jan 2024 - 16:29 BrianKirby  
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Topic revision: r69 - 19 Sep 2025, JonathanLong
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