>is there some place on the internet where i can find datasheets on the >chips you're talking about? i looked on national, motorolla, intel and >ti's sites but i couldn't find anything on them; does somebody have a >good url they use? > >thanx >matthew If you're talking about the ir-receivers they are made by siemens and should be on their page. Just search for SFH-506-30 and you'll surely find some datasheets.