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The swirl‐type unit cell with a dual composite right/left‐handed property on microstrip transmission line is proposed. The equivalent circuit of the proposed unit cell has been derived from the physical geometry of swirl‐type shape. The unit cell with a compact size has good characteristics and has been used in the miniaturized filter design. Therefore, the band stop filter has been designed by cascading...
In this paper, two novel unit cells using folded coplanar waveguide transmission line with left-handed structure are proposed, which have high-pass property. The characteristics of the unit cells are analyzed in different sizes, in order to recognize the characteristics of optimal design parameters. Also, equivalent circuits of the unit cells are extracted and equations to estimate the values of the...
In this paper, unit cells using coplanar waveguide transmission line with composite right and left-handed structure are proposed. The characteristics of the unit cells are analyzed in order to design low-pass filter and high-pass filter in small sizes. By changing the sizes of these unit cells, the parameters of right-handed and left-handed immittance components are changed and the desired characteristics...
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