Two batteries in series, using the “middle” as 0V reference. The “+” is V+, the “-“ is V-.
Van: Douglas Taylor via cctalk<mailto:cctalk@classiccmp.org> Verzonden: zondag 13 februari 2022 18:05 Aan: Jon Elson via cctalk<mailto:cctalk@classiccmp.org> Onderwerp: Re: DEC AXV11-C analog board Is it possible to construct a battery driven circuit that will present both positive and negative voltages at the input? A bridge of some sort? Doug