Abstract #1565

The miniaturisation and simplification of a crossbar switch matrix system using stacked switch blocks

Yunkyoung Ko¹, Chang-Hoon Choi¹, N. Jon Shah^1,2,3,4, and Jörg Felder¹

¹Institute of Neuroscience and Medicine - 4, Forschungszentrum Juelich, Juelich, Germany, ²Institute of Neuroscience and Medicine 11, INM-11, JARA, Forschungszentrum Jülich, Juelich, Germany, ³JARA - BRAIN - Translational Medicine, Aachen, Germany, ⁴Department of Neurology, RWTH Aachen University, Aachen, Germany

The crossbar-type matrix creates open-stubs of varying length, depending on the switch configuration, which potentially degrades the MR image quality. However, this issue can be overcome efficiently with the use of a compensation circuit. But as the number of receive coils increases, a larger number of RF switches is required. In this study, we propose a miniaturised crossbar switch matrix which employs two independent, stacked boards.

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