DAQ systems

From Atlas Wiki
Jump to navigation Jump to search

Back to ITk End-cap Homepage

FELIX is one of the main components of the new ATLAS TDAQ architecture. This DAQ system will be installed in all the ATLAS sub-detectors in Run 4.

At Nikhef, a setup has been assembled in lab N221 with the purpose of training before petal arrival. In this setup, shown below, Phase-I FELIX (FLX-712) is used. Due to the lack of petals at the time, the sensor is an old barrel module with one ABC chip and one HCC chip, but no sensing material and no AMAC chip (there is a wire bond in its place to provide power). The VLDB+ with the Nikhef adapter board substitutes the EoS board, since the module has no AMAC chip, there is no external connection between the VLDB+ and the Nikhef adapter board, but whenever we use a module with it, we will need to connect them through a mini-HDMI cable. The lpGBT on the VLDB+ is not efused.

For more information about this training setup, you can contact Andrea García Alonso ([[1]]).

FELIX servers in Nikhef lab N221. Used for FELIX development and tests. Canche is the third from the bottom, used for lab tests when getting familiar with FELIX. None is the ITk-server used for petal reception/testing
FELIX setup in lab N221 at Nikhef (September 2022). At that time, it was connected to the FELIX server called canche, later on this would change to the ITk server that arrived from CERN in November that year. The module for test is an old barrel module without sensing material

How to connect to FELIX: Follow these FELIX instructions !!!!

To run scans, the necessary repositories are:



Useful links I gathered during the first months working with the FELIX system:

The ATLAS FELIX project webpage
FELIX manual latest version
ATLAS FELIX lab (also called playground) at Nikhef
Latest FELIX Phase II PDR indico page (status and introduction of the software, hardware and test activities)
TTC specs on edms
For further reading about timing, trigger and control
relevant page in the TDAQ phase II TDR: https://cds.cern.ch/record/2285584/files/ATLAS-TDR-029.pdf#page=105
LPGBT webpage

For access to the lpgbtv1 manual, subscribe to lpgbt-users@cern.ch egroup

Other egroups (meetings, information, updates etc): atlas-tdaq@cern.ch, atlas-tdaq-software@cern.ch, atlas-tdaq-felix-users@cern.ch, atlas-tdaq-felix-developers@cern.ch

Tests at CERN SR1
https://twiki.cern.ch/twiki/bin/viewauth/Atlas/FelixStripsTestsAtSR1, https://twiki.cern.ch/twiki/bin/viewauth/Atlas/FelixStripsTestsAtSR1#lpGBT_configuration_with_VLDB
Twiki page of the DAQ Demonstrator
Raspberry Pi 4
FELIX Software for testing