Differential impedance
Zdiff is about 2 * Z0 * (1 - 0.48 * exp(-0.96 * s / h)).
Spacing and height are both millimetres, so the ratio has no unit. Trace length is drawn and is not in this equation.
Zdiff is about 2 * Z0 * (1 - 0.48 * exp(-0.96 * s / h)).
Spacing and height are both millimetres, so the ratio has no unit. Trace length is drawn and is not in this equation.