300MHz-500MHz宽带Wilkinson功分器的设计

Design of Wilkinson power divider for 300MHz-500MHz

首先在理论上对于Wilkinson功分器的隔离电阻,特征阻抗等相关参数进行了分析,然后使用ADS仿真软件设计了一款工作在300~500MHz的Wilkinson功分器,其带内输入端口的回波损耗：C11〉16 d B频带内的插入损耗：C12〈3.3 d B,C13〈3.3 d B两个输出端口间的隔离度：C23〉14 d B。在此基础上在RO4003C板材上使用蛇形走线的方式使得版图面积大幅减小。

Firstly, in theory, for Wilkinson power divider isolation resistance, characteristic impedance, and other related parameters were analyzed, and then use the ADS simulation software is designed to work in a Wilkinson power divider 300~500 MHz, the input return loss is C1116 d B; insertion loss within the band： C123.3 d B,C133.3 d B; isolation between the two output ports C2314 d B ： On this basis, the use of serpentine traces on RO4003 C a manner such that the sheet layout area sharply decreases.