Validation of load-independent X-parameters® formulation for use in analytical circuit design

Recently analytical behavioral model formulation based on the PHD model has been introduced and successfully used to describe the nonlinear behavior of transistors and components [1-3]. The next important advance would be to utilize this formulation, constraint to load-independent X parameters, to enable analytical non-linear microwave circuit design procedures. For this purpose, in this paper a blind iterative process is presented and validated in order to obtain the appropriate load independent X parameters, focused around the chosen optimum impedance condition, necessary to enable accurate analytical non-linear circuit design to be undertaken.