To cope with the enhanced luminosity delivered by the Large Hadron Collider from 2021 onwards, the ATLAS experiment has planned several upgrades. The first level trigger based on calorimeter data will be upgraded to exploit fine-granularity readout using a new system of Feature EXtractors (FEXs, FPGA based trigger boards), each optimized to trigger on different physics objects.
This contribution is focused on the jet FEX. The main challenges of such a board are the input bandwidth of up to 3.1 Tbps, dense routing of high-speed signals and power consumption. The design, PCB simulations and results of integrated tests of a prototype are shown in this document.
Development of the jet Feature EXtractor (jFEX) for the ATLAS Level 1 Calorimeter Trigger upgrade at the LHC
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Pre-published on:
March 05, 2018
Published on:
March 20, 2018
Abstract
DOI: https://doi.org/10.22323/1.313.0133
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Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.