F类射频功率放大器是一种新型高效率的放大器,理论效率可以达到100%,在移动通信领域有着广阔的发展前景。文章介绍了F类功率放大器的电路结构、工作原理,并对效率进行了分析;在L波段对电路进行了设计和试验,实测结果和仿真结果基本吻合,验证了研究结果的一致性。
The class-F radio frequency(RF) power amplifier is a new amplifier with high efficiency,of which the theoretical efficiency can achieve 100%.It has a broad prospect in the mobile communication field.This paper introduces the circuit structure and principle of operation of Class-F power amplifier and analyzes its efficiency.The circuit is designed and tested at the L band.The experimental results are found to be in good agreement with simulation results.