> > The larger the filter capacitor, the closer the real drain will > > approximate the average. > > True, but a filter cap may not be a good idea for Omer's "3uA" unit > > A glance through EC specs shows that most have leakage of > "0.01CV or 3uA, whichever is greater" What technology? Wet aluminium? There is, at least: Solid aluminium (Philips do) The dread tantalum. Low leakage aluminium. Russell McMahon -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.