一种短波矢量天调技术的应用

Application of A Short-Wave Vector Antenna Tuner Technology

从短波矢量天调的特点入手,阐述短波矢量天调的组成部分,重点针对"矢量阻抗"检测电路和"矢量调谐"两个关键点进行阐述。文中给出了一种微功率矢量阻抗检测电路的设计方法和工作原理,阐述了匹配网络的结构及可调谐区域的划分,给出调谐元件的组合方式,最后阐述了矢量天调的粗调、细调的调谐过程。并与传统天调对比,具有调谐速度快、调谐功率低、不可调谐点数少的特点,验证了此项技术的优点以及可行性。

From the feature of short-wave vector antenna tuner, the component of vector antenna tuner is dis-cussed,with focus on the two key points including vector impedance measuring circuit and vector tuning. This paper describes the design method and working principle of micro power vector impedance measuring circuit, then depicts the structure of matching network and the tuning partition and combination of tuning el-ement. Finally, it expounds the procedure for coarse and fine tuning of vector antenna tuner. Compared with the traditional antenna tuner, this new technology has the advantages of faster speed, lower power and less failed points in the tuning,and also the superiority and feasibility of this technology are verified.