基于HFSS的交指型滤波器设计与仿真  

The Design and simulation of Inter-digital Band-pass Filters based on HFSS

作　　者：程军[1] 

机构地区：[1]武汉职业技术学院电信工程学院,武汉430074

出　　处：《微计算机信息》2010年第28期163-164,167,共3页Control & Automation

摘　　要：介绍了矩形杆交指型带通滤波器的原理和设计方法,根据交指滤波器的设计理论获得矩形杆的自电容和互电容,利用计算机辅助设计工具结合图表得到滤波器的初始尺寸。给出了一个中心频率为1.5GHz,相对带宽为70%的矩形杆交指滤波器的设计过程,利用HFSS软件仿真,提高了设计效率和精度,仿真结果和理论结果吻合良好,证明了设计方法的可行性。This paper gives the particular description of a theoretical analysis and practical design for rectangular-rod inter-digital band-pass filter.First,the self-capacitance and mutual capacitance of the inter-digital band-pass filter is obtained in according with the design theory of the inter-digital band-pass filter.Based on computer aided design,the parameters of filter are given.Filter with pass-band centered at 1.5GHz and percentage bandwidth is 70%,has been designed and simulated by HFSS-software,which greatly improves the efficiency and accuracy of the design.The simulation result shows good agreement with theoretical result,which proves the method is valid.

关 键 词：交指型滤波器 带通 自电容 互电容 HFSS软件 

分 类 号：TN713[电子电信—电路与系统]