I believe twisted cables are more immune to externally induced interference. The twists result in the noise canceled out at the receiving ends. John
> > Yes of course this is true. But it is true if the wires are twisted 1, 4 > or 16 times per inch. Why does twist help? > > OK I just figured it out. if you look at the e-feild at a point some > distance from the wire pair and the pair is twisted you can integrate the > field in the direction of the wire (in a plane parallel to the cable and > e-feild at d is truly zero. It is way hard to symbolically but way easy > using numeric integration. The results are pretty dramatic. I can see > why every new kind of data cable uses this. > > > Chris Albertson > Redondo Beach, California > ---------------------------------------------------------------------------- -- > Check out the vibrant tech community on one of the world's most > engaging tech sites, Slashdot.org! http://sdm.link/slashdot > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users