Novel Inductive Decoupling for Single- and Double-Tuned Transceiver Phased 
Arrays to Compensate for both Reactive and Resistive Components of the Mutual 
Impedance

Avdievitch, N; Pan, JW; Hetherington, HH

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Novel Inductive Decoupling for Single- and Double-Tuned Transceiver Phased Arrays to Compensate for both Reactive and Resistive Components of the Mutual Impedance

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https://www.ismrm.org/12/ep_01.htm
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Avdievitch, N., Pan, J., & Hetherington, H. (2012). Novel Inductive Decoupling for Single- and Double-Tuned Transceiver Phased Arrays to Compensate for both Reactive and Resistive Components of the Mutual Impedance. Poster presented at 20th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2012), Melbourne, Australia.

Cite as: https://hdl.handle.net/21.11116/0000-0001-A5F9-C

Abstract

Decoupling is crucial for constructing transceiver phased arrays. Interaction between the elements can severely compromise both transmission performance and SNR. Previously described decoupling techniques have focused on eliminating the reactance of the mutual impedance, which can limit the obtainable S12 to -10 dB due to residual mutual resistance. Recently we introduced a double-tuned 7T 31P/1H transceiver array. Due to frequency dependence of the mutual inductance two separate decoupling circuits required between each array element. Double-tuning of the decoupling coils can significantly simplify the design. In this work we described a novel inductive decoupling technique, which addresses both these issues.