【作者】 姬五胜； 彭清斌；

【Author】 JI Wusheng~(1,2),PENG Qingbin~1 (1 School of Computer and Communication,Lanzhou University of Technology,Lanzhou,730050; 2 Institute of Electronic Information Science and Technology,Lanzhou City University,Lanzhou,730070 )

【机构】 兰州理工大学计算机与通信学院； 兰州城市学院电子信息研究所；

【摘要】 本文分析了同轴阶跃阻抗谐振器,提出将这一结构同交叉耦合相结合设计小型化滤波器。同时分析了同轴阶跃阻抗谐振器直接耦合实现方法和电路形式。并采用同轴阶跃阻抗谐振器设计中心频率为2GHz带宽为50MHz的交叉耦合滤波器,证明了该方法的可行性,并获得很好的试验结果,设计的滤波器体积减小了30%。更多还原

【Abstract】 This paper analyzes the coaxial resonator of step-impedance,and proposes the design method of the miniaturization filter using coaxial resonator of step-impedance linked with cross-coupling.Also analyzes the direct coupling form and the circuit form of the coaxial resonator in step-impedance.And designs a cross-coupling filter with center frequency of 2GHz and bandwidth of 50MHz.This design proves the feasibility of the method and obtained very good experimental results.The designed filter reduces the volume of 30%.更多还原