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Abstract #3120

Matching-network noise dominating regime for receive coil loops

Xueming Cao 1 , Elmar Fischer 1 , Boris Keil 2 , Lawrence L Wald 2,3 , Jan G Korvink 4 , Jrgen Hennig 1 , and Maxim Zaitsev 1

1 University Medical Center Freiburg, Freiburg, Germany, 2 A. A. Martinos Center for Biomedical Imaging, Dpt. of Radiology, Massachusetts General Hospital, Charlestown, MA, United States, 3 Harvard Medical School, Boston, MA, United States, 4 IMTEK, University of Freiburg, Freiburg, Germany

As coil arrays have increasing number of channels, coil element continues to shrink. Therefore the noise originating from coil matching-networks should be considered explicitly. Here,we calculate the matching-network noise and define the concept of a matching-network noise dominating regime, which is a similar concept to the sample noise dominating regime. A criterion determining when the matching-network noise dominates is also formulated in the abstract.

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