Chapter 13: Problem 7
Pertinent dimensions for the transmission line shown in Figure \(13.2\) are \(b=\) \(3 \mathrm{~mm}\) and \(d=0.2 \mathrm{~mm}\). The conductors and the dielectric are nonmagnetic. (a) If the characteristic impedance of the line is \(15 \Omega\), find \(\epsilon_{r}^{\prime}\). Assume a low-loss dielectric. ( \(b\) ) Assume copper conductors and operation at \(2 \times 10^{8}\) \(\mathrm{rad} / \mathrm{s}\). If \(R C=G L\), determine the loss tangent of the dielectric.
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