Propagation velocity equalizer circuit on multi microstrip transmission line structure

This paper proposes an equalizing method to enhance the timing margin of high-speed digital signals for multi-conductor transmission lines in inhomogeneous media. This equalizer is activated when the system sets up the initial state such as the booting state of personal computers and determines the values of capacitors between the adjacent lines. Therefore, the equalizing circuit does not consume the additional current during the operation of the system. For the 100mm five-line coupled M-MTL, the simulated total peak-to-peak jitter including crosstalk noise was 89 ps before equalizing whereas the M-MTL with the proper values of additional capacitance between the adjacent lines by the equalizer, showed 46 ps jitter.