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Subject: Re: [motm] MOTM 6-pin power connector ettiquette question

From: "Paul Schreiber" <synth1@...>
Date: 2006-11-03

>>You connect the analog and digital grounds through a 600ohm,
>>3A rated ferrite bead.
>
> A better way to put that would be "I connect the analog and digital
> grounds..." While I'm curious why you do that.

Ferrite beads are a short at DC, but as the frequency increases, they become a
high(er) impedance. A bead that is spec'd at '600ohms' means the complex
impedance at 10Mhz is 600ohms.

Paul S.