A Novel Stepped-Patch Loaded CPW and Its Application to a Low-Pass Filter
Journal of electromagnetic engineering and science(2010)
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 shuntconnected 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.
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Key words
Substrate Integrated Waveguide,Planar Circuits,Bandpass Filters
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