PoS - Proceedings of Science
Volume 370 - Topical Workshop on Electronics for Particle Physics (TWEPP2019) - Asic
A Fault-tolerance Readout Network for High-Density Electrode Array Targeting Neutrinoless Double-Beta Decay Search in TPC
L. Xiao,* B. You, X. Sun, Y. Mei, G. Huang
*corresponding author
Full text: pdf
Pre-published on: March 09, 2020
Published on: April 21, 2020
We present a distributed, self-organizing and fault-tolerance readout network for the high-density electrode array targeting neutrinoless double-beta decay search in TPC. To realize a ton-scale high- pressure gaseous TPC, approximately $1×10^5$ single-electrode Topmetal-S sensors need to be laid on a meter-sized plane. To readout those sensors, each sensor will integrate a router, and a 2D-Mesh network is formed by establishing local connections among nearby sensors. Each sensor not only generates and transmits its own data, but also forwards its nearby sensor’s data, and data packets are finally received by a computer which is connected to the edge of the network. To avoid the faulty sensors to disable large parts of the network, a routing algorithm called Fault Tolerance XY (FT-XY) is implemented. A single router and a 10×10 network has been verified and tested on FPGA. The test result shows that the throughput of this network has reached 368.4Mbit/s Then the router is implemented on a 130 nm CMOS process.
DOI: https://doi.org/10.22323/1.370.0004
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