Approximate formulas for frequency dependence of microstrip parameters |
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| Authors: | Pues H.F. van de Capelle A.R. |
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| Affiliation: | Catholic University of Louvain, Departement Elektrotechniek?MIL, Heverlee, Belgium; |
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| Abstract: | Some commonly used formulas for the frequency dependence of microstrip parameters have a number of shortcomings such as limited range of validity and faulty asymptotic behaviour. Therefore it is recommended to use the planar waveguide model with a recently published dispersion formula and a modified formula for the effective width. |
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