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Closed-form multipole debye model for time-domain modeling of lossy dielectrics

: Engin, A.E.; Ndip, I.; Lang, K.-D.; Aguirre, J.


IEEE transactions on electromagnetic compatibility 61 (2019), No.3, pp.966-968
ISSN: 0018-9375
Journal Article
Fraunhofer IZM ()

Lossy dielectrics in printed circuit boards and integrated circuit packages can be represented by using a Debye model. This allows accurate signal and power integrity analysis, which depends on the accuracy of material properties of the board or package. Such a Debye model needs multiple poles for accurate representation of the loss tangent over a broad frequency range. Electromagnetic and circuit simulations can then include the impact of frequency-dependent dielectric constant and loss. In this letter, we present an efficient and closed-form multipole Debye model, automating the modeling of lossy dielectrics for inclusion in time-domain electromagnetic or circuit simulators.