Recent Results from the First Lpgbt-Based Prototypes of the End-of-substructure Card for the ATLAS Strip Tracker Upgrade

A. Boebel, H. Ceslik,M. Dam,S. Diez Cornell,I Gregor,P. Goettlicher,J. Keaveney, J. Naidoo,M. Nikoi Van der Merwe, J. Oechsle,S. Schmitt,M. Stanitzki, R. Stroem,J. Wyngaard

Journal of instrumentation（2022）

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Abstract

The building blocks of the upgraded ATLAS Strip Tracker for HL-LHC are modules that host silicon sensors and front-end ASICs. The modules are mounted on carbon-fibre substructures hosting up to 14 modules per side. An End-of-Substructure (EoS) card on each substructure side connects up to 28 differential data lines at 640 Mbit/s to lpGBT and VTRx+ ASICs that provide data serialisation and 10 Gbit/s optical data transmission to the off-detector systems respectively. Prototype EoS cards have been designed and extensively tested using lpGBT and VTRx+ prototypes. The status of the electronics design and recent test results are presented.

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Key words

Data acquisition concepts,Front-end electronics for detector readout,Particle track-ing detectors,Large detector systems for particle and astroparticle physics

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