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Abstract
The numerical study of open microstrip lines (MSLs) and slot lines (SLs) with n -Si substrates. Two methods of singular integral equations (SIE) were used in our calculations. The first method we used for solving a problem was based on TEM-approximation and the second method was electrodynamically rigorous. The algorithms that we applied in our computations allowed us to take into account the finite substrate width and the finite metal strip thickness. The electrodynamical characteristics of MSLs on the specific resistivity of the substrate material, the metal strip width, the distance between the metal strip and the substrate lateral edges were investigated in this article. Also the dispersion dependences were determined for the main and higher modes of a noncoplanar SL and coplanar SLs. We presented characteristics of open MSLs and SLs having different crosssections to show the algorithm efficiency. The calculated and measured results agreed when compared to one another.