On feedback systems built around cut-inserted ideal transformer

The paper considers the linear feedback systems built around cut-inserted ideal transformers. It is shown that introducing the second additional transformer in cascade connection with the first one and doing the cut in the wire between the transformers one may reduce this method to the previously known Cut-Insertion Theorem (CIT) method. The cut-inserted ideal transformer method is reduced to the second form of the cut-inserted two-port including a voltage source on one side of the cut and a current source on the other side. Then, in the usual way, one obtains the parameters of the feedback system of order two (i.e. having two essential nodes). This system requires consideration of three loops; it may be further analyzed using Mason's rules.