A highly efficient and linear class-AB/F power amplifier for multimode operation

FREE-DOWNLOAD D Kang, D Yu, K Min, K Han, J Choi… – Microwave Theory …, 2008

The class-AB/F power amplifier (PA), a multimode PA, which can operate at both
class-AB and class-F modes, is an- alyzed and compared with the conventional class-F and
class-AB PAs. The open-circuited third harmonic control circuit enhances the efficiency of