Kirk Wallace wrote: > On Sat, 2007-10-20 at 13:01 -0500, Jon Elson wrote: >>What are you using for the differential driver chip? Is it >>totem-pole output or open-collector? > > > I am using the DS26C31 http://www.national.com/ds/DS/DS26C31M.pdf > Oh, my, a blast from the dark ages! I've used a 75172 in some more recent equipment, but I really don't know if that has anything to do with the problem. > > > Is it something like this: > > http://www.eastek-intl.com/images/PreoSeriesER.pdf Yes, that is certainly the sort of filter module I used on the VFD.
Jon ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/ _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users