Engineering

Volume 2, Issue 3 (March 2010)

ISSN Print: 1947-3931   ISSN Online: 1947-394X

Google-based Impact Factor: 0.66  Citations  

An Improved Parameters Extraction Method for Dumbbell-Shaped Defected Ground Structure

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DOI: 10.4236/eng.2010.23028    6,620 Downloads   11,259 Views  Citations
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ABSTRACT

The paper presents an improved equivalent circuit parameters extraction method for the dumbbell-shaped defected ground structure (DGS). The new extraction parameters equations are obtained in closed-form expressions, which contain S11 and S21. The DGS unit with center frequency of 5 GHz is designed and fabricated on a TLX substrate with thickness of 1 mm and dielectric constant of 2.55. The circuit simulated results are in good agreement with the measured results. This parameters extraction method can be widely used for the design and analysis of DGS .

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Y. Guo and Q. Wang, "An Improved Parameters Extraction Method for Dumbbell-Shaped Defected Ground Structure," Engineering, Vol. 2 No. 3, 2010, pp. 197-200. doi: 10.4236/eng.2010.23028.

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