Münster 2017 – wissenschaftliches Programm
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T: Fachverband Teilchenphysik
T 22: Experimentelle Techniken der Astroteilchenphysik 1
T 22.1: Gruppenbericht
Montag, 27. März 2017, 16:45–17:05, S 9
Integration of a TARGET-based Readout Module into GCT — Peter Deiml1, •Adrian Zink1, Manuel Kraus1, David Jankowsky1, Stefan Funk1, Justus Zorn2, Maurice Stephan3, Arnim Balzer3, and the CTA Consortium4 for the GCT collaboration — 1Erlangen Centre for Astroparticle Physics (ECAP), Friedrich-Alexander-Universität Erlangen-Nürnberg, Erwin-Rommel-Str. 1, D-91058 Erlangen, Germany — 2Max-Planck-Institut für Kernphysik, Heidelberg — 3GRAPPA, University of Amsterdam — 4Full consortium author list at http://cta-observatory.org
TARGET is an Application Specific Integrated Circuit (ASIC) designed for digitisation and readout of different photosensors in various types of experiments. One application is the next generation ground-based observatory for gamma-rays, the Cherenkov Telescope Array (CTA). There, it is integrated into the camera of the Gamma Cherenkov Telescope (GCT), one proposed candidate for the small size telescopes (SSTs). To be affordable while meeting the demands made to CTA, the camera consists of 32 readout modules with four TARGET-ASICs each. Key features are a high sampling frequency of 1 GSa/s, a deep analog buffer, a compact design, a dynamic range of >10 bits, a moderate power consumption and affordability. We give an overview of the GCT architecture and its operating principle and how the TARGET-based readout modules are integrated. Finally, we discuss performance tests measured with TARGET-C modules, the newest generation of TARGET-based readout modules.