Derivation of equivalent circuits for via holes from full wave models
- 27 May 1993
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 29 (11) , 1026-1028
- https://doi.org/10.1049/el:19930686
Abstract
In recent work equivalent circuit elements based on the scattering (S) parameters of a microstrip via hole calculated using the finite difference time domain (FDTD) method have been optimised. In the Letter the integral form of the full wave/finite difference frequency domain (FDFD) method incorporating losses is used to fit measured values for the via. For a triplate via structure a four element equivalent circuit is proposed, whose values are fitted up to 18 GHz for excellent S parameter agreement with FDFD results.Keywords
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