Shorted-Ended Stepped-Impedance Dual-Resonance Resonator and Its Application to Bandpass Filters
日期:2018-04-04 21:05 点击量:
Title: Shorted-Ended Stepped-Impedance Dual-Resonance Resonator and Its Application to Bandpass Filters
Author: Sun, SJ (Sun, Shoujia); Su, T (Su, Tao) ;Deng, K (Deng, Kun); Wu, B (Wu, Bian) ; Liang, CH (Liang, Changhong)
Source: IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES Volume: 61 Issue: 9
Pages:3209-3215 DOI: 10.1109/TMTT.2013.2273895 Published:Sep 2013
摘要:文章提出一种终端短路阶梯阻抗双谐振器。给出了谐振特性分析和设计原理图。通过控制谐振器的阻抗和长度比,单个谐振器的前三对谐振模式可以在宽频范围内自由调节。首先设计了第一个谐波出现在4.2f0处的带通滤波器,根据谐振器的电压分布,馈线的双臂为两到三个通带同时提供足够的外部耦合,最后分别设计加工了具有一个、两个和三个通带的滤波器,实测与仿真结果吻合良好。
基于终端短路阶梯阻抗双谐振器的多通带滤波器