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- Title
Millimeter‐wave substrate integrated waveguide bandpass filters based on stepped‐impedance E‐shaped defected ground structures.
- Authors
Li, Jian; Zheng, Wenxian; Wei, Xueming; Huang, Yongjun; Wen, Guangjun
- Abstract
This article presents a new defected ground structure (DGS) and expands its application for designing high‐performance bandpass filters based on substrate integrated waveguide (SIW) platform. The presented DGS is consisted of two complementary stepped‐impedance E‐shaped structures and placed them together face‐to‐face. Such designed DGS is inserted into the top layer of a millimeter‐wave SIW to act as high‐frequency stopping property. Based on the proposed DGS, two high‐performance SIW bandpass filters with single‐band and dual‐band features are achieved, by fabricating prototypes and experimentally investigating the filtering performances. Good agreements between the simulations and experiments are obtained. Such proposed SIW bandpass filters based on the designed new DGS can be widely used in the upcoming 5G communication area.
- Subjects
WAVEGUIDE filters; TRANSMISSION zeros; BANDPASS filters; 5G networks
- Publication
International Journal of RF & Microwave Computer-Aided Engineering, 2022, Vol 32, Issue 11, p1
- ISSN
1096-4290
- Publication type
Article
- DOI
10.1002/mmce.23340