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The Van Veen loop is intrinsically well adapted to time-domain measurements of net magnetic dipole moment. That is, the system comes very close to preserving the shape of the time-domain waveform of the net or residual magnetic dipole moment produced by the device under test. This property makes the Van Veen Loop very useful in the characterization of magnetic field wireless power transfer systems...
The effect of non-commensurate constituent transmission lines on the performance of the equal-delay topology for transformers and balancing networks is quantified. It is shown that when the load behaves as an isolated 2-terminal impedance or when the sum port connection is open-circuited to provide current balun operation, even a small difference in electrical lengths causes a complete nulling of...
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