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Abstract #1785

A Low Cost Signal Modulator for a Field Programmable Gate Array based Parallel Transmit System

Benson Yang 1 , Clare McElcheran 2 , Fred Tam 1 , and Simon Graham 1,2

1 Physical Sciences, Sunnybrook Research Institute, Toronto, ON, Canada, 2 Medical Biophysics, The University of Toronto, Toronto, ON, Canada

Parallel transmit systems for MRI applications are not widely available, but offer advantages in B1 shimming, patient safety, imaging acceleration and application-specific radio frequency pulse design. Our prototype system includes field-programmable gate array (FPGA) technology for system control and safety monitoring as well as integrated circuit devices for radio frequency signal modulation. The prototype single channel modulation module is demonstrated during MRI and results are as expected. Future demonstrations will include a software interface for our FPGA module.

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