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A radiation tolerant Data link board for the ATLAS Tile Cal upgrade
Stockholm University, Faculty of Science, Department of Physics.
Stockholm University, Faculty of Science, Department of Physics.
Stockholm University, Faculty of Science, Department of Physics.
Stockholm University, Faculty of Science, Department of Physics.
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Number of Authors: 5
2016 (English)In: Journal of Instrumentation, ISSN 1748-0221, E-ISSN 1748-0221, Vol. 11, C01074Article in journal (Refereed) Published
Abstract [en]

This paper describes the latest, full-functionality revision of the high-speed data link board developed for the Phase-2 upgrade of ATLAS hadronic Tile Calorimeter. The link board design is highly redundant, with digital functionality implemented in two Xilinx Kintex-7 FPGAs, and two Molex QSFP+ electro-optic modules with uplinks run at 10 Gbps. The FPGAs are remotely configured through two radiation-hard CERN GBTx deserialisers (GBTx), which also provide the LHC-synchronous system clock. The redundant design eliminates virtually all single-point error modes, and a combination of triple-mode redundancy (TMR), internal and external scrubbing will provide adequate protection against radiation-induced errors. The small portion of the FPGA design that cannot be protected by TMR will be the dominant source of radiation-induced errors, even if that area is small.

Place, publisher, year, edition, pages
2016. Vol. 11, C01074
Keyword [en]
Radiation-hard electronics, Front-end electronics for detector readout, Detector control systems (detector and experiment monitoring and slow-control systems, architecture, hardware, algorithms, databases), Digital electronic circuits
National Category
Physical Sciences Other Engineering and Technologies
Identifiers
URN: urn:nbn:se:su:diva-129101DOI: 10.1088/1748-0221/11/01/C01074ISI: 000371469800074OAI: oai:DiVA.org:su-129101DiVA: diva2:921061
Conference
Topical Workshop on Electronics for Particle Physics, Lisbon, Portugal, Sep 28-Oct 02, 2015
Available from: 2016-04-19 Created: 2016-04-14 Last updated: 2016-04-19Bibliographically approved

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Åkerstedt, HenrikBohm, ChristianMuschter, SteffenSilverstein, Samuel B.Valdés, Eduardo
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