On 5/10/2011 11:21 PM, Robert Atkinson wrote: > Hi Bob, > Apart from video distribution amplifiers (possibly modified, don't ignore VGA ones, they have 3 analog channels -replace the 15 Hi-D with BNC's) There is the TAPR TADD-1 > http://www.tapr.org/kits_tadd-1.html Ordering Information Sorry, this item is no longer available