Development of a modular test system for the silicon sensor R&D of the ATLAS Upgrade

Abstract

High Voltage CMOS sensors are a promising technology for tracking detectors in collider experiments. Extensive R&D studies are being carried out by the ATLAS Collaboration for a possible use of HV-CMOS in the High Luminosity LHC upgrade of the Inner Tracker detector. CaRIBOu (Control and Readout Itk BOard) is a modular test system developed to test Silicon based detectors. It currently includes five custom designed boards, a Xilinx ZC706 development board, FELIX (Front-End LInk eXchange) PCIe card and a host computer. A software program has been developed in Python to control the CaRIBOu hardware. CaRIBOu has been used in the testbeam of the HV-CMOS sensor CCPDv4 at CERN. Preliminary results have shown that the test system is very versatile. Further development is ongoing to adapt to different sensors, and to make it available to various lab test stands.

References in corpus (2)

• The FE-I4 Telescope for particle tracking in testbeam experiments
• Results of the 2015 testbeam of a 180 nm AMS High-Voltage CMOS sensor prototype

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• Simulations and Performance Studies of a MAPS in 65 nm CMOS Imaging Technology
• Status and recent extensions of the Caribou DAQ System for picosecond timing
• Measurements of time resolution of the RD50-MPW2 DMAPS prototype using TCT and ${}^{90}\mathrm{Sr}$