Characterizing N-port packages and interconnections with a 2-port network analyzer

In this paper a technique is described for the measurement of the correct S-parameters of an N-port package or interconnection using a 2-port network analyzer with 50 /spl Omega/ system impedance and N imperfect terminations. The technique is fully general and can be applied using arbitrary terminations. Broadband 50 n loads are not required. The method is illustrated on a coupled microstrip line structure.