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Solved Problems-12

Problems-12
Obtain the ABCD parameters for the network shown in the figure.
 
Description: Description: 3132.png
 
Solution
This two-port network can be considered as the cascade connection of two two-port networks as shown below.
 
Description: Description: 3139.png
 
For Network (a), as this is a T-network, the z-parameters are given as,
Description: Description: 6435.png
 
∴ Description: Description: 6441.pngDescription: Description: 6447.png
 
Description: Description: 6456.pngDescription: Description: 6462.png
 
For Network (b), as this is a π-network, the y-parameters are given as,
Description: Description: 6472.png
 
∴ Description: Description: 6484.png
 
∴ Description: Description: 6494.png
 
For the entire network, the ABCD parameters are given as,
 
Description: Description: 6500.png
 




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