Original poster: "Herwig Roscher by way of Terry Fritz <twftesla-at-qwest-dot-net>" <herwig.roscher-at-gmx.de> Terry Fritz wrote: > It should work for any linear current limited transformer Terry, Many thanks for your detailled info and the example as well. This was a new approach for me and will help to design my next system. Safe coiling to you! Herwig