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Abstract #2507

Analysis of common-mode rejection ability and Insertion Loss of Dual band Lattice Balun with non-ideal components

Yue Zhu1,2 and Xinqiang Yan1,2
1Vanderbilt University Institute of Imaging Science, Nashville, TN, United States, 2Department of Radiology and Radiological Sciences, Vanderbilt University, Nashville, TN, United States

A dual band Lattice balun was proposed previously, which holds the promise of removing common mode current for both frequencies in dual-tuned MRI coils with a single interfacing unit. However, the previously fabricated unit had a considerable insertion loss at the proton Larmor frequency. In this work, we analyzed how each lumped element will affect this device's performance and optimized the circuit performance based on the analysis.

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