[IEEE The 2004 47th Midwest Symposium on Circuits and Systems, 2004. MWSCAS '04. - Hiroshima, Japan (2004.07.25-2004.07.28)] The 2004 47th Midwest Symposium on Circuits and Systems, 2004. MWSCAS '04. - The 2004 47th Midwest Symposium on Circuits and Systems