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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