Abstract
The ATLAS Phase-I upgrade (2019) requires a Trigger and Data Acquisition (TDAQ) system able to trigger and record data from up to three times the nominal LHC instantaneous luminosity. The Front-End LInk eXchange (FELIX) system provides an infrastructure to achieve this in a scalable, detector agnostic and easily upgradeable way. It is a PC-based gateway, interfacing custom radiation tolerant optical links from front-end electronics, via PCIe Gen3 cards, to a commodity switched Ethernet or InfiniBand network. FELIX enables reducing custom electronics in favour of software running on commercial servers. The FELIX system, the design of the PCIe prototype card and the integration test results are presented in this paper.
Highlights
Notice: This manuscript has been authored by employees of Brookhaven Science Associates, LLC under Contract No DE- SC0012704 with the U.S Department of Energy
This report was prepared as an account of work sponsored by an agency of the United States Government
The views and opinions of authors expressed do not necessarily state or reflect those of the United States Government or any agency thereof
Summary
FELIX: a PCIe based high-throughput approach for interfacing front-end and trigger electronics in the ATLAS Upgrade framework Submitted to the Journal of Instrumentation August 2017
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