Dispersion and Characterization of Coplanar Waveguide Based On Conformal Mapping Technique

In this paper we proposed the estimation of the characteristic impedance, effect of dispersion, and the effective dielectric constant of Coplanar Waveguide (CPW) using conformal mapping theory and performances are analyzed. Numerically efficient and accurate formulae based on the conformal mapping method for the analysis of coplanar waveguide structures are presented. The analysis formulas for Coplanar Waveguides are derived and verified with Matlab. The Characteristic Impedance of CPW for different dielectric material using finite substrate as well as for infinite thickness of the substrate material and peering effect of dispersion is under consideration in this work. With the help of CPW transmission techniques, substantial amount of efficiency has been achieved. The design equation obtained by conformal mapping technique which is the simplest and most often used quasi-static method consists of complete elliptical integral.