Wuppertal 2015 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 86: Halbleiter: Produktion

T 86.3: Vortrag

Donnerstag, 12. März 2015, 17:20–17:35, G.10.03 (HS 8)

FE-I4 Pixel Chip characterization with USBpix3 Test System — •Viacheslav Filimonov, Laura Gonella, Tomasz Hemperek, Fabian Hügging, Jens Janssen, Hans Krüger, David-Leon Pohl, and Norbert Wermes — University of Bonn, Bonn, Germany

The USBpix readout system is a small and light weighting test system for the ATLAS pixel readout chips. It is widely used to operate and characterize FE-I4 pixel modules in lab and test beam environments.

For multi-chip modules the resources on the Multi-IO board, that is the central control unit of the readout system, are coming to their limits, which makes the simultaneous readout of more than one chip at a time challenging. Therefore an upgrade of the current USBpix system has been developed. The upgraded system is called USBpix3 - the main focus of the talk.

Characterization of single chip FE-I4 modules was performed with USBpix3 prototype (digital, analog, threshold and source scans; tuning). PyBAR (Bonn ATLAS Readout in Python scripting language) was used as readout software. PyBAR consists of FEI4 DAQ and Data Analysis Libraries in Python.

The presentation will describe the USBpix3 system, results of FE-I4 modules characterization and preparation for the multi-chip module and multi-module readout with USBpix3.