Distortion of transient signals on multilayer coupled symmetric microstrip transmission lines

Using a variation of the spectral domain technique, a recursion relation for general planar microstrip structures is derived that is simple to formulate and computationally efficient. Using this formulation and the Fourier transform, signal distortion for both simple and complex multilayer, multiconductor lines is investigated as a function of distance and strip spacing. A method for eliminating distortion due to coupling between lines is discussed, and results are presented that confirm the removal of coupling despite the close spacing of the lines.<>