two port network video lecture and pdf notes

Two port network 
A port is a pair of nodes across which device can be connected. The voltage is measured

across the pair of nodes and the current going into one node is the same as current coming

out of the Other node in the pair. 

So, a network with two input terminals and 2 output terminal is called a four terminal

network or 2 port network. 

In this video explain 24 network in detail. In this video explain all the types of two port

network which are 


1. Open circuit impedance parameters (z-parameter) 
2. Short-circuit admittance parameter (y-parameter) 
3. Transmission parameter(ABCD-parameter) 
4. Inverse transmission parameter(A'B'C'D' parameter) 
5. Hybrid parameter(h-parameter) 
6. Inverse hybrid parameter(g- parameter) 
for more detail you can watch our video on two port network by click below 

In this video you can also find condition for reciprocity and symmetry, Relationship between

two port parameters, and some numerical problem on two port network.

Condition for reciprocity and symmetry 
A network is said to be reciprocal if the ratio of the response transform to the excitation

transformer is invariant to an interchange of position of the excitation and response of the

network. 

A two port network will be reciprocal if the interchange of an ideal voltage source at one

port with an ideal current source at the other port does not Alter The metre reading. 






Two port network is said to be symmetrical if the input and output port can we interchange

without altering the port voltage and current. 


Condition for reciprocity and symmetry is given in table below

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