On Mar 26, 2008, at 6:06 AM, Anders Wallin wrote: >> <snip> > Some jogwheels use differential signals, which means instead of > just the > A and B signals you get A+, A-, B+, and B-. If you have I/O to > spare you > could wire all four of these to EMC. If you want to condense these > four > into just two A and B signals you can do that with an IC. I did that > with a DS3486. > LM339's are really fast and therefore not too noise immume. RS-485/RS422 chips like the one Anders used are a good solution. They might even work if used single ended.
for another chips see: http://www.maxim-ic.com/quick_view2.cfm/qv_pk/2273 HTH Dave > > AW > > ---------------------------------------------------------------------- > --- > Check out the new SourceForge.net Marketplace. > It's the best place to buy or sell services for > just about anything Open Source. > http://ad.doubleclick.net/clk;164216239;13503038;w?http://sf.net/ > marketplace > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users ------------------------------------------------------------------------- Check out the new SourceForge.net Marketplace. It's the best place to buy or sell services for just about anything Open Source. http://ad.doubleclick.net/clk;164216239;13503038;w?http://sf.net/marketplace _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users