Wideband dual-mode microstrip filter using short-ended resonators with centrally loaded inductive stub
日期:2018-04-04 21:02 点击量:
Title: Wideband dual-mode microstrip filter using short-ended resonators with centrally loaded inductive stub
Author: Sun, SJ (Sun, Shoujia);Wu, B (Wu, Bian) ;Su, T (Su, Tao) ;Deng, K (Deng, Kun) ; Liang, CH (Liang, Changhong)
Source: IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES Volume: 60 Issue: 12
Pages:3667-3673 DOI: 10.1109/TMTT.2012.2221737 Published:Dec 2012
摘要:文章提出一种采用新型双模谐振器的宽带滤波器。该谐振器通过在双端短路谐振器中心加载感性短路枝节来实现。短路枝节通过分裂简并模式来调控滤波器带宽。为实现宽带应用,引入源和负载耦合来补偿平行耦合线输入输出耦合强度,不仅提高了带内性能,而且产生了传输零点加大了通带选择性。此外,还提出了提取源和负载耦合系数的方法,基于等效电路拓扑分析,采用提出的基本谐振单元和连接两到三个短路点,设计并加工了三种类型的高性能双模宽带滤波器。
基于感性枝节加载双端短路谐振器的宽带双模滤波器