基于柔性LCP基板的小型化三通带集总参数滤波器设计  

Design of Miniaturized Triple-Band Lumped Parameter Filter Based on Flexible LCP Substrate

作　　者：刘维红 赵苗 LIU Weihong;ZHAO Miao(School of Electronic Engineering,Xi'an University of Post&Telecommunications,Xi'an 710121,China)

机构地区：[1]西安邮电大学电子工程学院,西安710121

出　　处：《微处理机》2024年第6期37-42,共6页Microprocessors

基　　金：陕西省教育厅科研计划项目资助(23JY075)。

摘　　要：本文基于柔性液晶高分子聚合物基板优异的微波特性,设计并实现了一款小型化三通带带通滤波器。通过在多层LCP基板中采用立体布局,创新性地运用垂直螺旋电感和垂直叉指电容结构,实现了滤波器的小型化设计。研究重点分析了多层螺旋电感设计和垂直叉指电容设计的关键技术,并对缺陷地结构的影响进行了深入探讨。测试结果表明,该滤波器具有体积小、性能优的特点,测量结果与仿真结果吻合度高,为小型化通信系统的发展提供了新的技术方案。Based on the excellent microwave characteristics of flexible liquid crystal polymer substrate,this paper designs and implements a miniaturized triple-band bandpass filter.Through the adoption of three-dimensional layout in multilayer LCP substrate and innovative use of vertical spiral inductors and vertical interdigital capacitor structures,the miniaturization of the filter is achieved.The research focuses on analyzing key technologies of multilayer spiral inductor design and vertical interdigital capacitor design,with an in-depth discussion on the effects of defected ground structures.Test results show that the filter features small size and excellent performance,with high consistency between measurement and simulation results,providing a new technical solution for the development of miniaturized communication systems.

关 键 词：多层液晶高分子聚合物 集总参数 三通带滤波器 小型化 

分 类 号：TN713.5[电子电信—电路与系统]