Narrowband Passband Microstrip Filter Using Octagonal Ring Resonator with DGS Technique
Journal Title: International Journal of Engineering and Science Invention - Year 2018, Vol 7, Issue 8
Abstract
In this paper, a narrowband passband filter is proposed with 9.2 GHz resonance frequency and 4 % bandwidth. In the proposed design, one single octagonal ring resonator and two defected ground structures (DGS) for perturbing symmetry are used to obtain sharp cutoff frequency and high insertion loss in the rejection band. Unlike previous works, in the proposed design, suppression of higher order modes is obtained only by utilizing single ring resonator. Moreover,by optimizing filter’s dimensions, high compactness and minimum insertion loss in the passband of the proposed design can be achieved.
Authors and Affiliations
Zahra Manzoor, Amin Pak
Keywords
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