Characterization and Model Parameter Extraction of Symmetrical Centre Tapped Inductor using Build in Mixed Mode and Pure Differential S-Parameters

This paper presents a comparison between a pure mode and build in balanced characterization of inductor. As predicted by linear electronic theory, the true mode matrix is equal to the build in matrix for small signal analyses. Moreover, we have proposed innovative test structure, de-embedding techniques and parameter extraction methodology which take advantage of mixed mode S-parameters in order to determine experimentally the self inductance mutual. From modelling point of view, it opens the door for new compact model in order to be able to check and deal with any unbalance in the simulation.