[sdiy] MG-1 How to get -12v from TIP30 and 741?

[Ingo Debus]

Am Donnerstag, 16.09.04 um 05:35 Uhr schrieb WeAreAs1 at aol.com:

> It is possible that you have a short or bad component somewhere that is
> "pulling down" your -12v supply.  When tis happens, the bad component 
> or short
> would be drawing all of the current that the supply can provide, and 
> then the
> supply will basically give up and drop to near zero volts.  A bad 
> opamp could
> definitely do this -- or a shorted wire or solder bridge somewhere.
>

Or a tantalum cap.

Ingo