1. A theoretical analysis and experimental confirmation of the optimally loaded and overdriven RF power amplifier
2. and , “Maximum Efficiency Tuning of Microwave Amplifiers,” 1991 IEEE MTT Symp. Dig. (Boston, MA), June 1991, pp. 123–126.
3. High-efficient class F GaAs FET amplifiers operating with very low bias voltages for use in mobile telephones at 1.75 GHz
4. and , “Harmonic Reaction Amplifier—A Novel High-Efficiency and High-Power Microwave Amplifier,” IEEE MTT Symp. Dig., 1987, pp. 963–966.
5. and , “High-Efficiency 5-Watt Power Amplifier with Harmonic Tuning,” IEEE MTT Symp. Dig., 1988, pp. 839–842.