No I was aware of that Dieter. But thanks anyway.
Ernst

On Mon, Oct 6, 2008 at 10:17 AM, < yahoo@... > wrote:

> > Hi Carlos,
> > Just another take on your problem:
> > I am currently building a small external box containing a 9volt battery
> to
> > replace the A176 in my portable setup.
> > The costs for this are less than �25 euros.
> > I can imagine some person that is a more seasoned electronics
> > person than me
> > also including a voltage inverter in this design.
> >
> > greetings,
> >
> > Ernst
>
> It is not possible to built a voltage inverter with a 9V battery only. You
> need a bipolar supply (at least two 9V batteries) to built a voltage
> inverter as it has to generate negative voltages. That's not possible if
> you
> have only a positive supply available.
>
> Best wishes
> Dieter Doepfer
>
>
>


[Non-text portions of this message have been removed]