宽带LC带通滤波器优化设计及其Matlab仿真

宽带滤波器是宽带通信系统中基本的电路单元,因此对宽带滤波器的设计及其优化有着非常重要的意义。在宽带滤波器原理的基础上提出一种宽带滤波器的优化设计方法,即采用影像参数法的定K式和m导出式进行组合优化设计LC带通滤波器,并用Matlab仿真进行参数的调整,最终达到获得滤波性能良好的宽带LC带通滤波器。该方法在实际应用中获得了很好的效果。

Optimized Design of Broadband LC Band-pass Filter and Its Matlab Simulation

Broadband filter is an essential circuit unit in broad communication system,which has an important significance for the design and optimization of the broadband filter.A kind of optimized design method for broadband filter is presented in the paper.In this design,the type Kand the type mderived filter of the image parameters method were optimized and combined to design a LC band-pass filter（BPF）,then its LC parameters was modified through Matlab simulation to obtain the best filtering capability.The broadband LC filter designed in this paper has perfect application in an actual project.