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Abstract #3548

A multi-channel gradient driver system for matrix gradient coils

Huijun Yu1, Kelvin Jon Layton1, Sebastian Littin1, Stefan Kroboth1, Feng Jia1, and Maxim Zaitsev1

1Dept. of Radiology, Medical Physics, University Medical Center Freiburg, Freiburg, Germany

The matrix gradient coils are showing its potential in offering high flexibility in generating customized spatial magnetic fields. However, the high demands on the amplifiers might become unacceptable for conventional one-coil one-amplifier drive method. We developed a 12 channel gradient driver system integrated with multi-channel switches for matrix gradient coils to drive a higher number of coil elements. The system was tested successfully with a home-built matrix gradient coil with its channels grouped in 12 clusters.

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