功率合成技术在全固态中波发射机的应用解析

Application Analysis of Power Combining Technology in all Solid-State Medium Wave Transmitter

首先阐述功率合成技术的概念、功率合成方法;其次,分析功率合成技术应用于全固态中波发射机中的必要性;最后,较为详细地探究λ/4传输线段功率合成、变压器混合网络以及3dB耦合器功率合成器用于全固态调频广播发射机中遵照的基本原理及应用要点。希望能和同行分享技术经验,在全固态调频广播发射机中更好的推广功率合成技术,将该项技术的优越性充分发挥出来。

The article first elaborates the concept and method of power synthesis technology;secondly, analyzes the necessity of power synthesis technology used in all solid-state medium wave transmitters;finally, more detailed exploration of λ/4 transmission line section power synthesis,the basic principles and application points of the transformer hybrid network and the 3 dB coupler power combiner used in the all-solid-state FM broadcast transmitter. The paper hopes to share technical experience with colleagues, promote power synthesis technology in all solid-state FM broadcast transmitters, and give full play to the advantages of this technology.