车载ECU单元射频收发电路的匹配设计

Matching Circuit Design of RF Transceivers of a Car Electronic Control Unit

分析了阻抗匹配的原理,根据原理推导出了Smith圆图,再结合Smith圆图详细分析L形匹配网络的设计,给出了实际设计中关于匹配设计的流程。

This paper analyzes the principle of impedance matching, and derives a Smith chart according to the principle. This paper also analyzes the design of a L-matching network based on the Smith chart, and presents the flow of the matching design.