The minimum impedance seen on the transmission line is given by:
1
\({Z_{min}} = {Z_0}\frac{{\;1 + |{{\rm{\Gamma }}_L}|\;}}{{1 - |{{\rm{\Gamma }}_L}|}}\;\)
2
\({Z_{min}} = {Z_0}\frac{{\;1 - |{{\rm{\Gamma }}_L}|\;}}{{1 + |{{\rm{\Gamma }}_L}|}}\;\)
3
\({Z_{min}} = {Z_0}(\;1 + |{{\rm{\Gamma }}_L}|)\)
4
\({Z_{min}} = {Z_0}(\;1 - |{{\rm{\Gamma }}_L}|)\)