Hybrid two port network modelling, as described by the texts, is a topic which enables one to reduce a complicated network into a simple two port network. I guess this is something which must have originated from mathematicians. I would be really grateful if someone provides me a link , introducing this topic, and endowed with mathematical rigor. I hope the demand of my question is going to be clarified in the following lines. In a two port network, the input affects the output by a Norton current source and the output affects the input by a Thevenin voltage source. Is it so that in any case the input can only affect the output by current source and the output can only affect by a voltage source , why not the other way round, the input affecting by voltage and the output affecting by current ? In case of a transistor it is clear and it holds good, but can we develop a formal and general proof for it? Definitely, I need a mathematically proven way to construct a model for a network. It will be even more appreciable if anyone can illustrate the benevolence of this network model in case of even more intricate networks.
Hybrid two port network models
passive-networks
Best Answer
AS photon describes the 2 port parameters are determined by the Laplace parameters S11 thru S22.
There also exists an inverse relationship called y parameters.
Both have determinates D in the matrix calculations and may be used to convert from s to y and visa versa.
s parameters are more useful for cascaded networks.
y parameters are more useful for parallel networks.
Full explanation are in the links above.