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In this work, a combination of 2D and 3D quasi-static Green's functions (GF) is proposed for extending the frequency range validity of the quasi-static approximation. It is shown that 3D-GF is very accurate at low frequency, whereas 2D-GF is more suitable at higher frequencies because it is the actual solution of the transverse electromagnetic (TEM) propagation mode. The mixing of both GFs is controlled...
To minimise the number of cells required for analysing numerically a planar circuit, an hybrid meshing technique that combines 1D and 2D cells is presented in this work. Thanks to this discretization procedure of the Partial Element Equivalent Circuit (PEEC) method, the connectivity between 1D and 2D model partitions is made using an unstructured mesh. In this way, it is possible to match regions...
The aim of this work is the study of the performance of planar inductors due to the presence of shielding structures. Equivalent inductance, quality factor and self resonance of the component are chosen as figures of merit for a fair comparison. Two experiments are proposed. In the first one, identical inductor geometries are evaluated under three different electromagnetic boundary conditions:(i)...
This work is aimed to demonstrate the potential of Inkjet printing combined with electroless growth to implement high performance RF inductors on standard low temperature co-fired ceramic substrates. Enhanced customization and tuning are the main advantage of this technological combination in front of standard low temperature co-fired ceramic technology. Two sets of samples have been fabricated and...
An ab initio technique for the meshing of planar radiofrequency and microwave circuits is described in this work. It is based on the analytical study of the current crowding phenomena that takes place inside the component. By using the mutual coupling inductive terms between metal strips, the ratio of the AC resistance due to proximity effects over the DC resistance can be evaluated for each metal...
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