Evaluation of the prototype Peripheral Electronics Board for the High Granularity Timing Detector

Abstract To mitigate the effects of pileup resulting from increased luminosity during the ATLAS Phase-II upgrade, the High Granularity Timing Detector (HGTD) was proposed to accurately measure the timing of tracks. The Peripheral Electronics Board (PEB) serves as a critical component of the HGTD, functioning as an intermediary between the front-end modules and off-detector electronics. A prototype PEB, designated 1F, was designed and produced by the end of 2023. Extensive evaluations of PEB 1F were conducted in 2024, encompassing both single board tests and collaborative tests with the demonstrator. These assessments well determined the quality of PEB 1F.