SoC Data Readout Method for CBM-TOF Super Module Quality Evaluation

WANG Junru; CAO Ping; HUANG Xiru; LI Chao; YUAN Jianhui; LI Jiawen; AN Qi

doi:10.11804/NuclPhysRev.36.03.336

Several Multi-Gap Resistive Plate Chambers (MRPCs) was used to construct a Time of Flight (TOF) system in the Compressed Baryonic Matter (CBM) experiment. According to the requirements of the CBM experiment, the CBM-TOF wall is composed of 6 different types of super module. Each module contains five MRPC detectors, providing 320 electronic channels with data rates up to 6 Gbps for a single module. To evaluate the quality of CBM-TOF super module, in this paper, a data readout module based on Gigabit Ethernet technology was developed. The readout module accepts digitized time data from the front-end electronics using Altera SoC FPGAs and sends the data to the DAQ software in parallel via Gigabit Ethernet. Laboratory test results show that the overall data transfer rate of a single data transmission path can reach up to 550 Mbps, which can be used for CBM-TOF Super Module quality evaluation.

SoC Data Readout Method for CBM-TOF Super Module Quality Evaluation

1. State Key Laboratory of Particle Detection and Electronics, University of Science and Technology of China, Hefei 230026, China;

2. Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China;

3. Department of Engineering and Applied Physics, University of Science and Technology of China, Hefei 230026, China

Funds: National Basic Research Program of China (2015CB856906)

Received Date: 2019-01-24

Rev Recd Date: 2019-03-04

Publish Date: 2019-09-20

Key words:

Abstract: Several Multi-Gap Resistive Plate Chambers (MRPCs) was used to construct a Time of Flight (TOF) system in the Compressed Baryonic Matter (CBM) experiment. According to the requirements of the CBM experiment, the CBM-TOF wall is composed of 6 different types of super module. Each module contains five MRPC detectors, providing 320 electronic channels with data rates up to 6 Gbps for a single module. To evaluate the quality of CBM-TOF super module, in this paper, a data readout module based on Gigabit Ethernet technology was developed. The readout module accepts digitized time data from the front-end electronics using Altera SoC FPGAs and sends the data to the DAQ software in parallel via Gigabit Ethernet. Laboratory test results show that the overall data transfer rate of a single data transmission path can reach up to 550 Mbps, which can be used for CBM-TOF Super Module quality evaluation.

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Reference (8)

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SoC Data Readout Method for CBM-TOF Super Module Quality Evaluation

doi: 10.11804/NuclPhysRev.36.03.336

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