Cascade of simple commensurate uniformly distributed RC four-port unit elements

The simple commensurate URC¿ four-port unit element is defined, and the transfer matrix for a cascade of these elements is derived. It is shown that certain terminal connections will produce a two-port network with two short-circuited admittance parameters (transfer and one driving-point) which are rational in the normalised URC¿ complex frequency variable t = tanh ¿s. The real-frequency transfer response is investigated, and typical responses for networks containing two elements are presented.