The Z-parameters of the 2-port network as shown above are
1
\(\left[ {\begin{array}{*{20}{c}}
{\frac{{11}}{5}}&{\frac{4}{5}}\\
{\frac{4}{5}}&{\frac{6}{5}}
\end{array}} \right]\)
2
\(\left[ {\begin{array}{*{20}{c}}
{\frac{6}{5}}&{\frac{4}{5}}\\
{\frac{4}{5}}&{\frac{{11}}{5}}
\end{array}} \right]\)
3
\(\left[ {\begin{array}{*{20}{c}}
{\frac{4}{5}}&{\frac{6}{5}}\\
{\frac{{11}}{5}}&{\frac{4}{5}}
\end{array}} \right]\)
4
\(\left[ {\begin{array}{*{20}{c}}
{\frac{4}{5}}&{\frac{4}{5}}\\
{\frac{{11}}{5}}&{\frac{6}{5}}
\end{array}} \right]\)