RF Connector guide
The impedance of a coaxial line can also bedeterminedbythe ratioof diameters (refer toFigure 13) and the dielectric constant εr. Z =377Ω 2πε r ×ln D d =60Ω εr ×ln D d =138Ω εr ×log D d (6) 1.2.5.1 Characteristic Impedance of a low-loss Line at High Frequencies =
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