Re: Question on Power Supply

--- In CAD_CAM_EDM_DRO@yahoogroups.com, Codesuidae <codesuidae@c...>
wrote:

> turbulatordude wrote:
>
> >Looking at it in reverse, 30 vDC divided by 1.414 is 21 volts. so you
> >need to find a transformer to handle something less than 22 volts. 16
> >volts is common with doorbell transformers. Three 6 volt units will
> >give you 18 volts. a 6 and a 12 will also give you 18 volts.
> >
> >
> >
> You can also buy a common 36 volt center tapped transformer. Treat the
> center as common and you get two 18vac ends. Connect these via diodes
> and a filter cap to get 24vdc. The diode bridge is a different
> configuration, make sure you get it right or you'll destroy the

transformer.

>
> Dave

yup !

pleanty of ways to skin that cat. Espically because it is such a low
current draw.

Most likely, you would not need to use both sides of the xfmr as the
power might be good enough from one side alone.

Dave

Dave