München 2019 – wissenschaftliches Programm

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HK: Fachverband Physik der Hadronen und Kerne

HK 54: Poster

HK 54.73: Poster

Donnerstag, 21. März 2019, 16:30–19:00, Foyer Theresanium

Low-cost Readout Electronics based on Arduino Microcontrollers — •Markus Köhli1,2, Jannis Weimar1, Fabian Schmidt2, Jochen Kaminski2, Klaus Desch2, and Ulrich Schmidt11Physikalisches Institut, Universität Heidelberg, Heidelberg, Deutschland — 2Physikalisches Institut, Universität Bonn, Bonn, Deutschland

With the Arduino open source electronics platform microcontrollers have become a comparably easy-to-use tool for rapid prototyping and implementing creative solutions. Yet, running at 16 MHz, the capabilities can be extended to data taking and signal analysis at decent rates. Such devices in combination with dedicated frontend electronics can offer low cost alternatives for student projects and independently operating small scale instrumentation. We present two projects, which cover as well the readout of helium-3 and boron-10 proportional counters as of scintillators or wavelength shifting fibers with Silicon Photomultipliers. The nCatcher board transforms an Aruino nano to a proportional counter readout with pulse shape analysis - time over threshold measurement and a 10-bit analog to digital converter for pulse heights. This makes the device suitable for low to medium rate environments, where a good signal to noise ratio is a crucial. With the SiPMTrigger we have realized a small-scale design for triggering or vetoing in combination with a photon counter. It consists of a custom mixed signal frontend board featuring signal amplification, discrimination and a coincidence unit for rates up to 200 kHz.

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DPG-Physik > DPG-Verhandlungen > 2019 > München