NDLI: High-selective triple-mode SIW bandpass filter using higher-order resonant modes

Content Provider	IET Digital Library
Author	Liu, Qing Zhou, Dongfang Shi, Jian Hu, Tao
Abstract	A novel high-selective triple-mode substrate integrated waveguide (SIW) bandpass filter using higher-order resonant modes is proposed in this Letter. The new triple-mode SIW resonator is realised by the second degenerate dual modes TM210 and one perturbed higher-order mode TM020 in a circular SIW cavity. The resonance of TM020 mode can be independently moved to that of dual modes TM210 by changing the size of a floating circular patch. The proposed triple-mode SIW filter can produce three finite-transmission zeros (FTZs), which can also be controlled well by the angle between two feeding lines. For the demonstration, a triple-mode SIW filter with the centre frequency of 13.5 GHz was designed, fabricated and measured. The proposed triple-mode circular SIW filter has the merits of the high-quality factor, high selectivity and controllable bandwidth as well as FTZs.
Starting Page	37
Ending Page	39
Page Count	3
ISSN	00135194
Volume Number	56
e-ISSN	1350911X
Issue Number	Issue 1, Jan (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/el/56/1
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/el.2019.3234
Journal	Electronics Letters
Publisher Date	2019-10-25
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Band-pass Filter Cavity Resonator Filter Centre Frequency Circular SIW Cavity Degenerate Dual Modes TM210 Feeding Line Finite-transmission Zeros Floating Circular Patch Frequency 13.5 GHz FTZs High-quality Factor High-selective Triple-mode SIW Bandpass Filter Higher-order Mode TM Higher-order Resonant Mode Passive Filter Passive Network Perturbed Higher-order Mode TM020 Substrate Integrated Waveguide Triple-mode Circular SIW Filter Triple-mode SIW Filter Triple-mode SIW Resonator Triple-mode Substrate Integrated Waveguide Bandpass Filter Waveguide And Microwave Transmission Line Component Waveguide Filter
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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