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| Home > Publications database > Design space exploration for particle detector read-out implementations in Matlab and Simulink on the example of the SHiP SBT |
| Contribution to a conference proceedings/Journal Article | FZJ-2025-01754 |
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2025
Inst. of Physics
London
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Please use a persistent id in citations: doi:10.1088/1748-0221/20/02/C02022 doi:10.34734/FZJ-2025-01754
Abstract: On a very fundamental level, particle detectors share similar requirements for their read-out chain. This is reflected in the way that typical read-out solutions are developed, where a previous design is modified to fit changes in requirements. One of the two common approaches is the current-based read-out, where the waveform of the sensor output is sampled in order to later extract information in the central processing unit. This approach is used in many detector applications using scintillation based detectors, including PET. With this contribution, we will introduce how we use Matlab in order to simulate the read-out electronics of particle detectors. We developed this simulation approach as a base for our ongoing development of software-defined read-out Application Specific Integrated Circuits (ASICs) that cover the requirements of a variety of particle detector types. Simulink was chosen as a base for our developments as it allows simulation of mixed-signal systems and comes with built-in toolkits to aid in developments of such systems. With our approach, we want to take a new look at how we approach designing such a read-out, with a focus on digital signal processing closer to the sensor in order or reduce transmission bandwidth, making use of known signal characteristics and modern methods of communications engineering. We are taking into account the time profile of an event, the bandwidth-limiting properties of the sensor and attached electronics, digitization stages and finally the parameterization of approaches for digital processing of the signal. We will show how we are applying the design approach to the development of a read-out for the proposed SHiP SBT detector, which is a scintillation based detector relying on SiPMs sensors, using this as an example for our modelling approach and show preliminary results. Given the similarity in principle, the modelling approach could easily be modified for PET systems, allowing studies of the read-out chain to possibly gain in overall performance.
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