A load of 50$\Omega$is connected in shunt in a 2-wire transmission line of Z0 = 50 $\Omega$as shown in the figure. The 2-port scattering parameter matrix (S-matrix) of the shunt element is
-
$
\left[
\begin{array}
\ -\dfrac{1}{2} & \dfrac{1}{2} \\\\
\dfrac{1}{2} & -\dfrac{1}{2}
\end{array}
\right]
$
-
$
\left[
\begin{array}
\ 0 & 0 \\\\
1 & 1
\end{array}
\right]
$
-
$
\left[
\begin{array}
\ -\dfrac{1}{3} & \dfrac{2}{3} \\\\
\dfrac{2}{3} & -\dfrac{1}{3}
\end{array}
\right]
$
-
$
\left[
\begin{array}
\ \dfrac{1}{4} & -\dfrac{3}{4} \\\\
-\dfrac{3}{4} & -\dfrac{1}{4}
\end{array}
\right]
$
