采用非对称双四联体的高选择性腔基带通滤波器

Mahadev Sarkar, R. Sivakumar, R. Manjunath
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引用次数: 3

摘要

本文报道了一种预先计算进给位置的强抑制带通滤波器的紧凑设计过程和实现技术。利用空间映射技术对两个空间对称的四联体进行非对称调整,以获得期望的选择性。对不同馈线宽度下的外部耦合带宽进行了分析、计算和绘制。从进给带的物理尺寸出发,提出了一套计算外耦合带宽的设计方程。通过特殊的方式利用谐振腔间的间距来提高滤波器的总带宽。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Highly selective cavity based band pass filter using asymmetric double quadruplets
A compact design procedure and realization techniques of sharp rejection band pass filter with pre calculated feed position is reported in this paper. Two spatially symmetric quadruplets are used asymmetrically with space mapping technique to adjust transmission zeros for getting desired selectivity. External coupling bandwidths are analysed, calculated and plotted for different feed line widths. A set of design equation are proposed to calculate external coupling bandwidths from the physical dimensions of the feed strip. Inter resonator spacing is utilized in special way to enhance overall bandwidth of the filter.
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