基于小型化非谐振节点结构的空气填充基底集成波导带通滤波器

IF 1.4 4区计算机科学 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC International Journal of Microwave and Wireless Technologies Pub Date : 2024-07-02 DOI:10.1017/s1759078724000084

Yunlong Li, Changjun Tian, Shaozhuo Li, Peng Chen, Yun Li, Kai Yang

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引用次数: 0

摘要

本文提出了一种带有小型化非谐振节点（NRN）的空气填充基底集成波导（AFSIW）带通滤波器。在三个谐振器之间引入 NRN 结构，其尺寸小于谐振器尺寸，从而实现了 NRN 结构的小型化，减小了模型尺寸。该滤波器的 NRN 尺寸是现有 AFSIW 滤波器 NRN 尺寸的 41%。该滤波器还在通带上方引入了传输零点（TZ）。测量结果表明，滤波器的中心频率为 20.73 千兆赫，带宽为 0.86 千兆赫。通带插入损耗为 0.95 dB，回波损耗优于 23 dB。由于 TZ 位于上止带，AFSIW 滤波器获得了良好的选择性。

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Air-filled substrate integrated waveguide bandpass filter based on miniaturized non-resonant node structure

This paper proposes an air-filled substrate integrated waveguide (AFSIW) bandpass filter with a miniaturized non-resonant node (NRN). The NRN structure is introduced between the three resonators, and its size is smaller than the resonator size, which can realize the NRN structure’s miniaturization and reduce the model’s size. The NRN size of this filter is 41% of the NRN size of the existing AFSIW filter. This filter also introduces a transmission zero (TZ) above the passband. The measured results show that the filter’s center frequency is 20.73 GHz, and the bandwidth is 0.86 GHz. The insertion loss in the passband is 0.95 dB, and the return loss is better than 23 dB. Due to the TZ in the upper stopband, the AFSIW filter obtained good selectivity.

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来源期刊

International Journal of Microwave and Wireless Technologies ENGINEERING, ELECTRICAL & ELECTRONIC-TELECOMMUNICATIONS

CiteScore

3.50

自引率

7.10%

发文量

130

审稿时长

6-12 weeks

期刊介绍： The prime objective of the International Journal of Microwave and Wireless Technologies is to enhance the communication between microwave engineers throughout the world. It is therefore interdisciplinary and application oriented, providing a platform for the microwave industry. Coverage includes: applied electromagnetic field theory (antennas, transmission lines and waveguides), components (passive structures and semiconductor device technologies), analogue and mixed-signal circuits, systems, optical-microwave interactions, electromagnetic compatibility, industrial applications, biological effects and medical applications.