Impedance Determination of DUT by use of Line Injector Measurement Method

This paper introduces a streamlined method for measuring inline Differential Mode (DM) and Common Mode (CM) impedances of various Device Under Test (DUT) utilizing a line injector. This approach, while straightforward, is more direct than conventional methods that rely on inductive or capacitive coupling. This paper has established a theoretical foundation for this technique, conducting simulations to model the line injector and DUT interactions. The measurements were then compared with data obtained from standard impedance analyzers, demonstrating a clear correlation and emphasizing the efficacy of our method in determining the impedance of a DUT.