Characteristic Impedance Determination Using Propagation Constant Measurement
Roger Marks, Dylan F. Williams
A method is demonstrated where by the characteristic impedance of transmission lines may be easily determined from a measurement of the propagation constant. The method is based on a rigorous analysis using realistic approximations to account for the effects of imperfect conductors. Numerical studies indicate that high accuracy is possible, and experiments using coplanar waveguide demonstrate the advantage of the method in the interpretation of S-parameters.
and Williams, D.
Characteristic Impedance Determination Using Propagation Constant Measurement, IEEE Microwave and Guided Wave Letters, [online], https://doi.org/10.1109/75.91092
(Accessed September 23, 2023)