CERN Accelerating science

Talk
Title	A prototype optical link board with redundancy design for the ATLAS Liquid Argon Calorimeter Phase-2 Upgrade
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Author(s)	Liu, Tiankuan (speaker) (Southern Methodist University (US))
Corporate author(s)	CERN. Geneva
Imprint	2021-09-21. - 1244.
Series	(Conferences) (TWEPP 2021 Topical Workshop on Electronics for Particle Physics)
Lecture note	on 2021-09-21T16:20:00
Subject category	Conferences
Abstract	A prototype optical-link board has been developed for the ATLAS Liquid Argon Calorimeter Phase-2 upgrade. The board consists of 24 lpGBT chips and 8 VTRx+ modules and demonstrates the full optical link design of the future front-end board. The board has 22 simplex optical links to transmit detector data, which are emulated in FPGAs and injected through 6 FMC connectors, to the off-detector electronics. The board implements 2 duplex optical links for clocks, control, and monitoring with redundancy design to improve the system reliability. Major functions of the board have been verified.
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