Aachen 2019 – wissenschaftliches Programm

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T: Fachverband Teilchenphysik

T 43: DAQ und Trigger II

T 43.4: Vortrag

Dienstag, 26. März 2019, 16:45–17:00, S06

SoC based ADC readout for an intelligent PMT conceptFeng Gao, Florian Kiel, Tim Kuhlbusch, Achim Stahl, Jochen Steinmann, Christopher Wiebusch, and •Christian Wysotzki — III. Physikalisches Institut B, RWTH Aachen University

Many experiments rely on the use of large photomultiplier to achieve a large instrumented volume. In a novel readout approach, all electronics for the PMT are directly attached to its back. This reduces analog signal cable length and creates a very scalable system. In this talk the PMT readout is covered. A specialized ASIC – VULCAN – is used to amplify and digitize the analog signal. A system-on-a-chip (SoC) – consisting of a FPGA and an ARM processor – receives the data and preprocesses it. The FPGA part of the SoC is responsible for high-speed data analyses like trigger generation and data filtering. High-level analyses of the data – as gain determination on dark counts – and data transmission via Ethernet is done in the processor part of the SoC.

Results from a first prototype board are presented in the talk.

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DPG-Physik > DPG-Verhandlungen > 2019 > Aachen