[openmulticopter] Analog and Digital power supply
jonas at digital-blizzard.net
Mon Nov 30 18:29:03 CET 2009
There is no linear voltage regulator. Just one switching regulator (5V and
I guess one LC at the output of the switching regulator will be enough for
the analog part. Or what do you think?
On Sun, Nov 29, 2009 at 2:01 PM, Heinrich Warmers <
heinrich.war at googlemail.com> wrote:
> 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.
> 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
> > 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
> > just one filter for all analog ICs?
> > --
> > Jonas
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