A radiation tolerant Data link board for the ATLAS TileCal upgrade

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We describe the latest (last?) full functionality revision of the high-speed data link board for the ATLAS TileCal phase 2 upgrade. It is highly redundant, using two Kintex-7 FPGAs and two Molex QSFP+ electro-optic modules. The FPGAs are remotely configured through two radiation-hard CERN GBTx deser...

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Detalles Bibliográficos
Autores principales: Bohm, Christian, Akerstedt, Henrik, Muschter, Steffen Lothar, Silverstein, Samuel, Valdes Santurio, Eduardo
Lenguaje:eng
Publicado: 2015
Materias:
Particle Physics - Experiment
Acceso en línea:http://cds.cern.ch/record/2057747
Descripción
Sumario:We describe the latest (last?) full functionality revision of the high-speed data link board for the ATLAS TileCal phase 2 upgrade. It is highly redundant, using two Kintex-7 FPGAs and two Molex QSFP+ electro-optic modules. The FPGAs are remotely configured through two radiation-hard CERN GBTx deserialisers (GBTx), which also provide the LHC-synchronous system clock. The four QSFP+ uplinks transmit data at 10 Gbps. Virtually all single-point error modes are removed, and a combination of triple-mode redundancy, internal and external scrubbing will adequately protect against radiation-induced errors.

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