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Abstract #1286

A Generalized Concept for Preamplifier Decoupling

Enrico Pannicke 1,2 , Roland Mller 2 , Oliver Speck 3 , Ralf Vick 1 , and Harald E. Mller 2

1 Institute for Medical Engineering, Otto-von-Guericke-University Magdeburg, Magdeburg, Saxony-Anhalt, Germany, 2 Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Saxony, Germany, 3 Biomedical Magnetic Resonance, Otto-von-Guericke-University Magdeburg, Saxony-Anhalt, Germany

Preamplifier decoupling is a valuable technique in the development of multi-channel receiver array coils. Although well established, there is currently no simple rule available to design a proper network with desired properties. A suitable equation can be derived utilizing the concept of impedance transformations. With this concept, the robustness of the coil against varying loading conditions of the coil was investigated as a further property of the circuit.

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