An improvement method of the increasing mutual capacitance for reducing far-end crosstalk in transmission line

With the speed running of the circuit increasing constantly, the EMI´s effect is more frequent and more serious, and then influence the signal integrity. A phenomenon of EMI between two transmission lines make the signal produce the distortion and then restrain frequency that the signal transmitted. The crosstalk noise of parallel lines was modeled in order to deduce and analyse equations, the more accurate mathematical expression was described. The transmission lines interfered can be divided into near-end crosstalk and far-end crosstalk. Increasing the effects of the capacitive coupling to cancel that of the inductive coupling along two parallel lines for reducing far-end crosstalk is provided in this paper