Highly efficient broadband continuous inverse Class‐F power amplifier using multistage second harmonic control output matching network

Abstract

A multistage second harmonic control output matching network is proposed in this article. Through the fundamental and harmonic impedance matching at multiple frequencies in the target band, the accuracy of the fundamental and harmonic impedance of the continuous power amplifier is improved. The efficiency is improved consequently. A highly efficient broadband continuous inverse Class-F power amplifier based on this structure is designed and fabricated using a CGH40010F GaN HEMT packaged device. The measurement results demonstrate that drain efficiency of 71% to 82% and output power of 40.1 to 41.5 dBm is achieved with more than 10 dB gain across 1.35 to 2.35 GHz.

Topics & Concepts