16-channel SiPM high-frequency readout with time-over-threshold discrimination for ultrafast time-of-flight applications.

"Declarations Ethics approval and consent to participateNot applicable. Consent for publicationNot applicable. Competing interestsThe authors declare the following financial interests/personal relationships which may be considered as potential competing interests with the work reported in this paper: V.S. is a co-founder and employee of the company Hyperion Hybrid Imaging Systems GmbH. Competing interests The authors declare the following financial interests/personal relationships which may be considered as potential competing interests with the work reported in this paper: V.S. is a co-founder and employee of the company Hyperion Hybrid Imaging Systems GmbH."

"Funding Open Access funding enabled and organized by Projekt DEAL. This research project “ProtoTOF” is supported by the START Program of the Faculty of Medicine of RWTH Aachen University. This work did not involve human subjects or animals in its research."