Brian Boles wrote:
>
>      Does anyone know what is in a battery isolator, the devices that let
>      one alternator charge 2 batteries on seperate circuits in a truck or
>      boat.  Is it low forward drop diodes or some kind of relay???
>
>      I would go for a newsgroup but our IS dept. won't set us up for that.
>
>      Rgds, Brian.                    bboles@microchip.com
The only ones i've seen contain 2 low forward drop diodes.
Brian Hurst