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J Electromagn Eng Sci > Volume 10(3); 2010 > Article
Journal of the Korean Institute of Electromagnetic and Science 2010;10(3):117-120.
DOI: https://doi.org/10.5515/JKIEES.2010.10.3.117   
A Novel Stepped-Patch Loaded CPW and Its Application to a Low-Pass Filter
Jong-Kuk Park1, Hyung-Gi Na1, Jong-Sik Lim2
1LIG Nex1 ISR Research Center
2Department of Electrical and Communication Engineering, Soonchunhyang University
Abstract
A novel stepped-patch loaded coplanar waveguide(SPLCPW) structure is proposed and applied to the design of a low-pass filter(LPF). The stepped-patch loaded on the opposite side of the CPW plane is shown to provide a shunt-connected series L-C resonance, which is dual to that of a conventional CPW defected ground structure(DGS). As a simple example of the proposed SPLCPW circuit, a 3-pole SPLCPW LPF is designed and good results are obtained.
Key words: Stepped-Patch Loaded Coplanar Waveguide(SPLCPW), Low-Pass Filter(LPF)

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