On Thu, 14 Apr 2005 09:35:04 +0100, Philip Pemberton wrote: > >I'm using an International Rectifier 50RIA20 SCR to switch the power over, >and an SGS L200CV regulator to allow the capacitor voltage to be controlled. >My capacitor bank consists of five Cornell-Dubilier computer-grade 120uF 25V >capacitors, giving a total of 600uF, or 0.6F (the tolerance is -20/+75% >though). > I think you've slipped a decimal place (actually three of them). A capacicitance of 600 microfarads is 0.6 millifarads, 0.0006 F. I hope you don't really need 0.6 F to get the unit to work. Otherwise, you're going to need a lot more capacitors. Regards, Bob -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist