CERN Accelerating science

Article
Report number arXiv:1702.06713
Title The ARAGORN front-end—An FPGA based implementation of a Time-to-Digital Converter
Related titleThe ARAGORN front-end - An FPGA based implementation of a Time-to-Digital Converter
Author(s) Büchele, M. (Freiburg U.) ; Fischer, H. (Freiburg U.) ; Herrmann, F. (Freiburg U.) ; Schaffer, C. (Freiburg U.)
Publication 2017-02-03
Imprint 2017-02-22
Number of pages 10
Note Conference proceeding to the 2016 Topical Workshop on Electronics for Particle Physics
In: JINST 12 (2017) C02006
In: Topical Workshop on Electronics for Particle Physics, Karlsruhe, Germany, 26 - 30 Sep 2016, pp.C02006
DOI 10.1088/1748-0221/12/02/C02006
Subject category hep-ex ; Particle Physics - Experiment ; physics.ins-det ; Detectors and Experimental Techniques
Accelerator/Facility, Experiment CERN SPS
Abstract We present the ARAGORN front-end, a cost-optimized, high-density Time-to-Digital Converter platform. Four Xilinx Artix-7 FPGAs implement 384 channels with an average time resolution of 165 ps on a single module. A fifth FPGA acts as data concentrator and generic board master. The front-end features a SFP+ transceiver for data output and an optional multi-channel optical transceiver slot to interconnect with up to seven boards though a star topology. This novel approach makes it possible to read out up to eight boards yielding 3072 input channels via a single optical fiber at a bandwidth of 6.6 Gb/s.
Copyright/License arXiv nonexclusive-distrib. 1.0



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