This came in today, and given all the LDO/supply discussion, thought it might help: http://www.ecnmag.com/Articles/2010/12/Main-Circuit/What-Gives-at-Dropout/?= ckw=3Delectrical&ao=3D1 --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .