Design of 1.6-3.0 GHz Broadband High Efficiency Hybrid Continuous Class F Power Amplifier

In order to meet the design requirements of broadband high efficiency in modern communication, this paper presents a basic theory of a hybrid continuous Class F power amplifier, which effectively expands the bandwidth while continuing the high efficiency of traditional Class F power amplifiers. Based on this theory, a hybrid continuous F-class power amplifier with a working frequency of 1.6-3.0 GHz and a relative bandwidth of 60.9% was designed. The matching circuit was designed using source load traction technology and Chebyshev low-pass filter matching method. Its harmonic control network can effectively control the second harmonic at the source end and the second and third harmonic at the load end. The final test results show that the output power within the working frequency band is 43.1-44.4 dBm, the power additional efficiency is 60.3%~76.5%, and the saturation gain is greater than 12 dB, which has certain practical engineering application value.