采用双模介质波导谐振器的小型双频带滤波器

IF 2.9 2区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Microwave and Wireless Components Letters Pub Date : 2022-12-01 DOI:10.1109/LMWC.2022.3193424

Zuo Xu, Yongle Wu, Qingxiang Dong, Weimin Wang

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引用次数: 7

摘要

本文介绍了一种新型的小型化双频带通滤波器（BPF），该滤波器使用双模介质波导谐振器（DWR）。DWR是一种表面镀银的圆柱体电介质块。这两种模式是TM010和TM011模式，用于构建两个通带。可以通过改变圆柱体DWR的半径和高度来调节它们的频率，并且可以独立地控制频率空间。BPF由三个圆柱形空腔组成，这些空腔排列成等边三角形。三个腔构成级联三段（CT）单元，在两个通带的上侧产生传输零点（TZ）。最后，模拟、制造和测量了一个使用DWR的双频带BPF，以展示所提出设计的可行性。它们的结果一致，显示出良好的性能，如小型化、良好的回波损耗（RL）和上阻带选择性。

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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Miniaturized Dual-Band Filter Using Dual-Mode Dielectric Waveguide Resonator

This letter presents a novel miniaturized dual-band bandpass filter (BPF) using a dual-mode dielectric waveguide resonator (DWR). The DWR is a cylinder dielectric block with the surface being silver-coated. The two modes are TM010 and TM011 modes, which are used to construct the two passbands. The frequency of them can be adjusted by changing the radius and the height of the cylinder DWR and the frequency space can be controlled independently. The BPF is composed of three cylindrical cavities, which are arranged in an equilateral triangle. The three cavities construct a cascaded trisection (CT) unit, which creates a transmission zero (TZ) at the upper side of the two passbands. Finally, a dual-band BPF using DWR is simulated, manufactured, and measured to exhibit the feasibility of the proposed design. Their results are in good agreement, showing good performance, such as miniaturization, good return loss (RL), and upper stopband selectivity.

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来源期刊

IEEE Microwave and Wireless Components Letters 工程技术-工程：电子与电气

自引率

13.30%

发文量

376

审稿时长

3.0 months

期刊介绍： The IEEE Microwave and Wireless Components Letters (MWCL) publishes four-page papers (3 pages of text + up to 1 page of references) that focus on microwave theory, techniques and applications as they relate to components, devices, circuits, biological effects, and systems involving the generation, modulation, demodulation, control, transmission, and detection of microwave signals. This includes scientific, technical, medical and industrial activities. Microwave theory and techniques relates to electromagnetic waves in the frequency range of a few MHz and a THz; other spectral regions and wave types are included within the scope of the MWCL whenever basic microwave theory and techniques can yield useful results. Generally, this occurs in the theory of wave propagation in structures with dimensions comparable to a wavelength, and in the related techniques for analysis and design.