Carlos Crespo-Cadenas, Javier Reina-Tosina, María J. Madero-Ayora, Michel Allegue-Martínez. A closed-form equation approach to multi-port/multi-zone behavioral modeling of GaN FET Amplifiers. I. J. Circuit Theory and Applications, 43(11):1703-1718, 2015. [doi]
Abstract is missing.