That's called an OP amp or voltage comparator. The feedback and set point wiring can get complicated. I use an O82 because it will handle up to 36 volts..the only one I've found that does. Ken
At 02:14 AM 12/29/2002 -0600, you wrote: >On Sat, 28 Dec 2002 18:01:35 -0700, "S & J Young" ><you...@konnections.net> wrote: > >>There is a device called a silicon FET current regulator diode that does the >>trick. This is really a small integrated circuit, shaped like a small >>rectifier diode, that limits current flow to a set value. The regulator >>diodes are small cylinders with about a 1 inch wire coming out of each end >>of the cylinder. One end of the cylinder is marked with a band around it. > >Wow!! I've been in electronics for 50 years and hadn't heard of these >devices. Thanks for the info. > >Now all we have to do is come up with a device that will shut off the >generator when the electrode voltage gets below a certain point. :) > >-- Dean -- from (almost) Des Moines -- KB0ZDF > > >-- >The silver-list is a moderated forum for discussion of colloidal silver. > >Instructions for unsubscribing may be found at: http://silverlist.org > >To post, address your message to: silver-list@eskimo.com > >Silver-list archive: http://escribe.com/health/thesilverlist/index.html > >List maintainer: Mike Devour <mdev...@eskimo.com> > >
