| Article | |
| Title | A simulator for Timepix-like pixel front-ends |
| Author(s) | Sune, R Ballabriga (CERN) ; Bromberger, H (DESY) ; Campbell, M (CERN) ; Cudie, X Llopart (CERN) ; Christodoulou, P (CERN ; IEAP CTU, Prague) ; Sriskaran, V (CERN) ; Tlustos, L (CERN ; IEAP CTU, Prague) |
| Publication | 2024 |
| Number of pages | 8 |
| In: | JINST 19 (2024) C03022 |
| In: | 16th Topical Seminar on Innovative Particle and Radiation Detectors, Siena, Italy, 25 - 29 Sep 2023, pp.C03022 |
| DOI | 10.1088/1748-0221/19/03/C03022 |
| Subject category | Detectors and Experimental Techniques |
| Abstract | This work presents the development of a front-end simulation code for the Timepix3 readout chip [1], intended as digitizer stage in full detector simulation. The front-end electronics is modelled using an integrator stage and 3 parallel feedback loops with individually configurable time constants. The main feedback discharging the integrator consists of 3 low-pass filtered feedback loops. The leakage current compensation is approximated by an additional independent low-pass filtered feed-back loop. The system noise is modelled using independent bandwidth limited noise channels for pre-amplifier, feedback and threshold noise. The Timepix3 time of arrival (ToA) and time over threshold (ToT) measurement is implemented by a discriminator model with independent rise and fall times and 2 independent clock frequencies for ToA and ToT. The measured dependence of the ToT on the pre-amplifier input charge using test-pulses of a Timepix3 assembly is correctly reproduced for a wide range of discriminator settings. |
| Copyright/License | publication: © 2024 The Author(s) (License: CC-BY-4.0) |
Corresponding record in: Inspire
Record creato 2024-08-01, modificato l'ultima volta il 2024-09-06
