> No Imre, I don't work in educational, but I had helped a lot of students > in my life with diploma's exam... and all are funny when are talking about > electronics. > BTW, acording to those students, any electronical experiment can be done > with: > one 741 > one BC107 and > one 1k resistor... Are you sure, they still do hardware in electronics department ? Cheers, Ling SM -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.