GATE EC 2014 Q.34: Two-Port Network S-Parameters with Short-Circuited Port 2 | ExamPreV

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EC > GATE 2014 SET-1 > Two Port Networks

A two-port network has scattering parameters given by S = [s₁₁ s₁₂; s₂₁ s₂₂]. If the port-2 of the two-port is short circuited, the s₁₁ parameter for the resultant one-port network is

A

s₁₁ - (s₁₁s₂₂ - s₁₂s₂₁)/(1 + s₂₂)

B

s₁₁ + (s₁₁s₂₂ - s₁₂s₂₁)/(1 + s₂₂)

C

s₁₁ + (s₁₁s₂₂ + s₁₂s₂₁)/(1 - s₂₂)

D

s₁₁ - (s₁₁s₂₂ + s₁₂s₂₁)/(1 - s₂₂)

Explanation

Correct : d

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