When the frigde STARTS the line voltage DROPS. When it STOPS it produce spike and EMI. As other say, desing so it accept lower input voltage /Morgan Lucian 22:25 2004-05-11: >Hello all, > >I am designing a 12V linear power supply and now in the final stage I >see I have some problems with the EMI (or so I guess). I have a circuit >powered from this supply and when the refrigerator in my room starts, it >resets the circuit. -- Morgan Olsson, Kivik, Sweden -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.