[openmulticopter] Analog and Digital power supply

[Jonas]

Hi Heinrich,

There is no linear voltage regulator. Just one switching regulator (5V and
3.3V).
I guess one LC at the output of the switching regulator will be enough for
the analog part. Or what do you think?

Regards

Jonas

On Sun, Nov 29, 2009 at 2:01 PM, Heinrich Warmers <
heinrich.war at googlemail.com> wrote:

> Hello,
> one LC element before the linear voltage regulator is good.
> Pleas look for the sparkfun PCB for the idx500 they use a low noise
> voltage regulator (with bypass capacitor).
> I use one connection from analog to digital ground wiht an 1 Ohm
> resistor to avoid coppeling common to the ADC.
>
> Regads
> Heinirch
>
>
>
> 2009/11/27 Jonas <jonas at digital-blizzard.net>:
> > Hi guys
> > I just wanted to ask you how we should lay out the power supply for
> analog
> > and digital signals. I suggest to separate analog and digital ground and
> > connect them together at one single point. But what about the positiv
> > supply?
> > Is it enough if we'll use a LC filter? If so, one LC per analog component
> or
> > just one filter for all analog ICs?
> > --
> > Jonas
> > _______________________________________________
> > openmulticopter mailing list
> > openmulticopter at openmulticopter.org
> > https://openmulticopter.org/cgi-bin/mailman/listinfo/openmulticopter
> >
> >
>
> _______________________________________________
> openmulticopter mailing list
> openmulticopter at openmulticopter.org
> https://openmulticopter.org/cgi-bin/mailman/listinfo/openmulticopter
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://openmulticopter.org/pipermail/openmulticopter/attachments/20091130/2a543d7e/attachment.htm>