> From: speedy turtle <[log in to unmask]> > To: [log in to unmask] > Subject: [DESIGNERCOUNCIL] current vs trace width graphs > Date: Wednesday, September 03, 1997 2:02 PM > > I am looking for the formulas to generate the graphs > that represent "Current in amperes" vs "Cross section in > square mils" and any others of similar type. > > Does anyone know where I can obtain these formulas ? Well, if Ralph was still here, I'm sure he'd tell you they were from empirical data, exactly when the testing was performed, and exactly who performed the test.