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Abstract #4432

Optimal Bazooka Balun Proportions

Victor Taracila1, Luke Smith1, Ceara Stack1, and Fraser Robb1

1GE Healthcare Coils, Aurora, OH, United States

In MRI, traditional RF coils have cables, which supply the on-coil electronics with power and carry the received signals out from the receive elements to further amplification, digitization and post-processing. The standard technique for blocking currents being induced on the cables uses RF traps, colloquially called bazooka baluns, which represent parallel resonant tanks coupled (magnetically) to the cable. Question: If the volume of the bazooka balun is fixed, what would be its diameter and length so that the impedance of the balun is maximized?

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