Full-wave analysis for propagation characteristics of cylindrical coplanar waveguides with finite thickness of conductor

Abstract

A full-wave analysis by the extended spectral-domain approach is successfully applied to solve the cylindrical coplanarwaveguide problem. The analysis incorporates the effects of the edge singularities properly and can afford the efficient and accurate calculation method for the characteristic impedances in addition to the phase constants of cylindrical coplanar waveguides (CCPWs) with zero-and finite-thickness conductor. The numerical results obtained by this method have revealed the effect of conductor thickness on the characteristics of higher order modes, as well as the odd and even dominant modes of CCPWs for the first time.

Analysis of Cylindrical Microstrip Line with Finite Thickness of Conductor

“…The current I o can be evaluated by the line integral C of the magnetic field around the strip conductor [7]…”

Conductor loss calculation of elliptical, cylindrical coplanar waveguides and coplanar waveguides with finite conductor thickness

“…Hence such waveguides have many potential applications in the design of various passive elements like transitions, baluns, and impedance transformers. As known, the electrical parameters of elliptical and cylindrical coplanar waveguide have been investigated by many researchers [6][7][8][9][10][11][12]. Analyses of these transmission lines by using existing numerical approaches need much more calculation time and computer resources.…”

“…Then, CPW structure was analyzed as elliptical and cylindrical configurations [8][9][10][11]. Furthermore, the effect of conductor thickness on the characteristic impedance for CCPW has studied in [12]. To the authors' best knowledge, in the literature conductor loss calculations of ECPW and CCPW with finite conductor thickness have not been investigated yet.…”