A Generalized Concept for Preamplifier Decoupling
Enrico Pannicke 1,2 , Roland Mller 2 , Oliver Speck 3 , Ralf Vick 1 , and Harald E. Mller 2
Institute for Medical Engineering,
Otto-von-Guericke-University Magdeburg, Magdeburg,
Planck Institute for Human Cognitive and Brain Sciences,
Leipzig, Saxony, Germany,
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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