A two-port network has scattering parameters given [s] = \left[\begin{array}{c}s_{11\end{array} , s_{12} ; s_{211} , s_{22} ; ]}. If the port 2 of the two-port is short-circuited, the s 11 parameter for the resultant one-port network is

Correct Answer is : s11+s11s22−s12s211+s22

{s_{11}−s_{11}s_{22} + s_{12}s_{21}}/{1 + s_{22}}

{s_{11} + s_{11}s_{22}−s_{12}s_{21}}/{1 + s_{22}}

{s_{11} + s_{11}s_{22} + s_{12}s_{21}}/{1−s_{22}}

{s_{11}−s_{11}s_{22} + s_{12}s_{21}}/{1−s_{22}}

GATE Electronics and Communications (EC) 2014 Shift 1 Solved Paper

Question : 34 of 65

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A two-port network has scattering parameters given

[s] = {[\table s_{11} , s_{12} ; s_{211} , s_{22} ; ]}

. If the port 2 of the two-port is short-circuited, the s₁₁ parameter for the resultant one-port network is

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