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Proceedings of Topical Workshop on Electronics for Particle Physics — PoS(TWEPP2018)
The ATLAS tracking system will be replaced by the all-silicon inner-tracker (ITk) consisting of pixels and strips in the course of the HL-LHC upgrade until 2026. The readout of the ITk pixel system will be most challenging in terms of data rate. First test of readout concepts are performed with the ITk Pixel Demonstrator, a system composed of several ITk-style modules with 120 readout chips in total. Their readout is realised with data aggregation via GBTx chips transmitting data optically to ATCA-boards acting as off-detector components.doi:10.22323/1.343.0046 fatcat:7cls25h6djdm3bws2lm24q567q