I had considered building it as a linear for the very same reason David pointed out, "hell to troubleshoot." On Wed, Aug 14, 2013 at 8:13 PM, David <[1]wb8foz@nrk.com> wrote: On 8/14/13 8:49 PM, Peter Gutmann wrote: Another thing about switchmode design is that unless it's pretty simple, you're better off outsourcing it (meaning, get a pre-built one). WhatHeSaid. Switchers are notorious for being persnickety about components tolerances, and are sheer hell to troubleshoot as well. And the bigger you get, the harder they fail... I love the smell of burning bakelite^H^H glass-fiber^H^H electrolyte in the morning... -- -- -- -Christopher Olesch "Affordable IT Services for Non-Profit & Small Business" || [2]http://www.ngotechnology.org/ || [3]http://www.linkedin.com/in/chrisoleschjr Masonic Affiliations: || [4]http://www.scottishritechicago.org || [5]http://www.supremecouncil.org/ || [6]http://www.ilmason.org/ Online Artistic Portfolio || [7]http://cjolesch.deviantart.com/ References 1. mailto:wb8foz@nrk.com 2. http://www.ngotechnology.org/ 3. http://www.linkedin.com/in/chrisoleschjr 4. http://www.scottishritechicago.org/ 5. http://www.supremecouncil.org/ 6. http://www.ilmason.org/ 7. http://cjolesch.deviantart.com/