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Title: Microstrip bandpass filters using triple-mode patch-loaded cross resonator
Authors: Zhang, Runqi
Zhu, Lei
Keywords: DRNTU::Engineering::Electrical and electronic engineering
Issue Date: 2012
Source: Zhang, R., & Zhu, L. (2012). Microstrip Bandpass filters using triple-mode patch-loaded cross resonator. Progress In Electromagnetics Research Letters, 30, 13-20.
Series/Report no.: Progress In electromagnetics research letters
Abstract: Microstrip bandpass filters using a triple-mode patch-loaded cross resonator are presented in this work. First, a square patch is added at the center of a cross resonator to separate the resonant frequencies of the 1st and 2nd modes. Then, a pair of narrow slots is etched into the square patch along its symmetrical plane to split the 1st resonant mode and its degenerate mode. By changing the patch size and the slot length, the above three modes are appropriately adjusted. Two prototype filters with open-ended and stub-loaded coupled-lines are designed and fabricated to verify the design principle and to further suppress the lowest harmonic passband, respectively. Predicted results agree well with the measured ones.
ISSN: 1937-6480
DOI: 10.2528/PIERL11121506
Rights: © 2012 EMW Publishing. This paper was published in Progress In Electromagnetics Research Letters and is made available as an electronic reprint (preprint) with permission of EMW Publishing. The paper can be found at the following official DOI: []. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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