Parameters of asymmetric coupled lines with inhomogeneous dielectrics

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Authors: Sychev A. N., Rudyy N. Yu.

Annotation: The general case of asymmetric coupled lines in an inhomogeneous dielectric medium is considered. Various systems of parameters are presented, including per-unit-length and modal ones. For the first time, a geometrical representation of systems of parameters of coupled lines is proposed. The conditions of their physical implementation are given.

Keywords: asymmetric coupled lines, inhomogeneous dielectric, per-unit-length parameters, per-unit-length capacitances, per-unit-length inductances, modal parameters, characteristic impedance, coupling coefficient