%0 Generic
%A Ritzert, Michael
%D 2014
%F heidok:17092
%R 10.11588/heidok.00017092
%T Development and Test of a High Performance Multi Channel Readout System on a Chip with Application in PET/MR
%U https://archiv.ub.uni-heidelberg.de/volltextserver/17092/
%X The availability of new, compact, magnetic field tolerant sensors suitable for PET has opened the opportunity to build highly integrated PET scanners that can be included in commercial MR scanners. This combination has long been expected to have big advantages over existing systems combining PET and CT. This thesis describes my work towards building a highly integrated readout ASIC for application in PET/MR within the framework of the HYPERImage and  SUBLIMA projects. It also gives a brief introduction into both PET and MR to understand the unique challenges for the readout system caused by each system, and their  combination. A number of typical solutions for different requirements of the ASIC - timing measurements, trigger generation, and energy readout - and contemporary readout systems are presented to put our system in context.  Detailed measurements have been performed to evaluate the performance of the ASIC, and the setup and results are presented here.