[sdiy] PCB layout rules

[John Luciani]

On 12/22/06, Antti Huovilainen <ajhuovil at cc.hut.fi> wrote:
> > If you start chopping up your ground plane you may create ground loops
> > that will cause you more problems than the uV of accuracy you gain.
>
> Of course you'd use tree/star ground then.
>
> If you start using mixed signal circuitry (such as wavetable oscillators)
> then you're going to see a lot more noise and digital hash on the ground.

At sdiy frequencies ff you have a single low impedance ground plane
that connects analog and digital ground and you see noise it is radiated
not conducted.

(* jcl *)

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