双模介质波导单块滤波器设计

Q4 Engineering

Journal of Electrical and Electronics Engineering Pub Date : 2022-10-18 DOI:10.37256/jeee.1120221681

Yahui Wu, Lukui Jin, Zhenxiong Xie

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引用次数: 0

摘要

提出了一种基于双模介质波导谐振器的介质波导滤波器的设计方法。该滤波器是由一个陶瓷块，因此它是紧凑和易于制造。所采用的DWR简并模式为TE101和TE011模式，它们可以通过介电块上的插槽耦合。双模DWR和单模DWR之间的耦合是通过孔径和槽来实现的。外部耦合是通过与激励模式对齐的镀银盲孔来实现的。通过改变耦合槽的相对位置，可以灵活地在通带以上或通带以下产生传输零点。采用双模和单模dwr设计了工作在4.9 GHz的六阶带通滤波器。对该滤波器进行了制作和测试，与仿真结果吻合较好。该滤波器体积紧凑，插入损耗低，选择性好，无杂散响应宽，适用于5G基站。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Dual-Mode Dielectric Waveguide Monoblock Filter Design

This paper presents a design of dielectric waveguide filter using dual-mode dielectric waveguide resonators (DWRs). The filter is formed by a ceramic monoblock, thus it is compact and ease of fabrication. The employed degenerate modes of DWR are TE101 and TE011 mode, which can be coupled by a slot on the dielectric block. The coupling between a dual-mode DWR and a single-mode DWR is realized by aperture and slot. The external coupling is realized by a silver-coated blind hole that aligns to the mode for excitation. Transmission zero (TZ) can be flexibly generated above or below passband, by changing the relative position of coupling slot. A sixth order bandpass filter working at 4.9 GHz is designed using dual- and single-mode DWRs. The filter is fabricated and measured, agreeing well with simulation. This filter has compact size, low insertion loss, good selectivity and wide spurious-free response, which is applicable to 5G base stations.

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来源期刊

Journal of Electrical and Electronics Engineering Engineering-Electrical and Electronic Engineering

CiteScore

0.90

自引率

0.00%

发文量

审稿时长

16 weeks

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