Abstract #1814
Novel Splittable N-Tx/2N-Rx Transceiver Phased Array to Optimize both SNR and Transmit Efficiency at 9.4 T
Nikolai I Avdievich 1 , Ioannis A Giapitzakis 1 , and Anke Henning 1,2
1
Max Planck Institute for Biological
Cybernetics, Tbingen, Germany,
2
Institute
for Biomedical Engineering, UZH and ETH Zurich, Zurich,
Switzerland
Surface loop transceiver head phased arrays improve
transmit efficiency in comparison to larger Tx-only
arrays due to tighter fit. However, the number of
elements is limited by the number of available
Tx-channels and decoupling issues, which compromises SNR
and parallel receive performance. As a proof of concept
we developed and constructed a novel splittable 9.4T
transceiver array. Splitting of each Tx-loop doubles the
number of Rx-elements without necessity of moving the
array away from the subject, which allows optimization
of both Tx and Rx performance at the same time.
Splitting in a larger number of Rx-elements, (e.g.4, 8),
is possible.
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