NDLI: Improvement of spurious property of waveguide bandpass filter based on artificial dielectrics

Content Provider	IEEE Xplore Digital Library
Author	Munir, A. Hamanaga, N. Kubo, H. Sanada, A. Awai, I.
Copyright Year	2004
Description	Author affiliation: Yamaguchi University, Department of Electrical and Electronic Engineering, 2-16-1 Tokiwadai, Ube, Yamaguchi, 755-861 1, Japan (Munir, A.; Hamanaga, N.; Kubo, H.; Sanada, A.) \|\| Ryukoku University, Department of Electronics and Informatics, Yokotani, Seta-oecho, Otsu, 520-2194, Japan (Awai, I.)
Abstract	An improvement of spurious property of a miniaturized waveguide bandpass filter based on the artificial dielectric rectangular resonators is reported. The resonators which are realized by lamination of rectangular metal strips etched on a printed circuit board for obtaining the anisotropic effect are intended to excite $TE_{108}-mode$ selectively, aligning the rectangular metal patterns along the direction of the mode electric field line. To obtain a better spurious property for the filter application, the resonators are improved to have a different density of permittivity. The resonant frequencies of an improved artificial dielectric rectangular resonator are analyzed using HFSS simulation and compared with the measurement results. To demonstrate the feasibility of improvement, a miniaturized two-stage waveguide bandpass fiter made of the artificial dielectric rectangular resonators with the center frequency of 1.665 GHz, bandwidth of 140 MHz, and insertion loss of 0.81 dB is successfully created.
Starting Page	1005
Ending Page	1007
File Size	240868
Page Count	3
File Format	PDF
ISBN	1580539920
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-10-12
Publisher Place	The Netherlands
Access Restriction	Subscribed
Rights Holder	European Microwave Assoc.
Subject Keyword	Band pass filters Strips Permittivity Anisotropic magnetoresistance Dielectric materials Rectangular waveguides Lamination Resonant frequency Analytical models Dielectric losses
Content Type	Text
Resource Type	Article

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