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为了实现Wilkinson功分器的宽频比双频工作特性,并简化功分器的总体结构,提出了采用耦合线和隔离枝节相结合的设计方法.和隔离电阻直接与端口连接的功分器形式相比,由隔离枝节构成的功分器结构减小了传输线间的寄生影响.设计并加工了工作在1.0 GHz和2.5 GHz频段的双频Wilkinson功分器,实验与仿真结果吻合,设计的功分器性能良好.
In order to realize the wideband to dual-frequency operation characteristic of Wilkinson power splitter and to simplify the overall structure of the power splitter, a design method using a combination of a coupling line and an isolation branch is proposed, and a power splitter form with an isolation resistor connected directly to the port Compared with the splitter structure, the power splitter structure reduces the parasitic influence between the transmission lines.The dual-frequency Wilkinson power splitter operating in the 1.0 GHz and 2.5 GHz frequency bands is designed and fabricated. The experimental and simulation results are in good agreement. Good performance.