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Abstract #4043

An automated 32 channel VNA RF switch for high density coil prototyping

Dimitri Welting1, Carel C. van Leeuwen1, Alexander J.E. Raaijmakers1, and Dennis W.J. Klomp1
1Department of Radiology, University Medical Center Utrecht, Utrecht, Netherlands

An automated 32 channel vector network analyzer switch was developed in-house, to be used for high density coil arrays. Using this device full S11 and S21 measurements of 32 channels can be acquired on the bench in less than 2.5 minutes. Performance of the device was evaluated using a 32 channel 7T headcoil and a 8 channel 7T dipole body array.

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