2017-12-05 13:41 GMT+01:00 Luke Kenneth Casson Leighton <l...@lkcl.net>: > On Tue, Dec 5, 2017 at 12:30 AM, Richard Wilbur > <richard.wil...@gmail.com> wrote: > >> 3. Reflections are more troublesome the further you get from the >> signal source. Close to the source the reflection arrives at the >> source during the signal rise time and can be overcome by the line driver. > >> Deviations from path in due NorthEast direction (+ signifies change in the >> NorthWest direction, - signifies change in the SouthEast direction, units in >> mil) >> <step> <Northern keepout> <TX1> <TX0> <TXC> <Southern keepout> >> 0 0 0 0 0 0 >> 1 -1 1 2 3 4 >> 2 -1 1 2 3 4 >> 3 -1 1 2 3 4 >> 4 -2 2 4 6 8 >> 5 -2 2 4 6 8 >> 6 -1 1 2 3 4 >> 7 -1 1 2 3 4 >> 8 -1 1 2 3 4 > > okaay so the idea is, just after the long straight you make a series > of very tiny corrections by bringing each of the tracks inwards - > closer together - so that when you get to the point where you *have* > to be 5-7mil apart you're already neeearrrrly that far apart *anyway* > so it's not so bad. > > ok :) that's perfectly doable.
Just a small question. Why not deviate from the 45 degree angle? So you end up with converging lines, instead of the stepped approach? > > _______________________________________________ > arm-netbook mailing list arm-netbook@lists.phcomp.co.uk > http://lists.phcomp.co.uk/mailman/listinfo/arm-netbook > Send large attachments to arm-netb...@files.phcomp.co.uk _______________________________________________ arm-netbook mailing list arm-netbook@lists.phcomp.co.uk http://lists.phcomp.co.uk/mailman/listinfo/arm-netbook Send large attachments to arm-netb...@files.phcomp.co.uk
