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Re: [avr-gcc-list] ADC anomaly
From: |
Douglas Dotson |
Subject: |
Re: [avr-gcc-list] ADC anomaly |
Date: |
Fri, 20 Feb 2004 15:09:33 -0800 (PST) |
Good advice. Thanks!
Doug
--- Mattias Svensson <address@hidden> wrote:
> Douglas Dotson wrote:
> > All this is on a breadboard right now. When I
> > layout the PCB, all the normal precautions will
> > be in place to keep noise to a minimum.
>
> Never underestimate the noise capabilities of a
> breadboard... ;)
>
> A PCB with proper AGND plane separated from DGND is
> the only possible
> way. And you should have the AGND plane go under the
> corner of the
> divice that has the ADC inputs.
> AGND and DGND should be linked in a star
> configuration, and only at one
> point. Preferably at the place you have the main
> power input to the PCB.
>
> Mattias S
>
>
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> avr-gcc-list mailing list
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- RE: [avr-gcc-list] ADC anomaly, (continued)
- RE: [avr-gcc-list] ADC anomaly, Douglas Dotson, 2004/02/15
- Re: [avr-gcc-list] ADC anomaly, Richard Urwin, 2004/02/15
- Re: [avr-gcc-list] ADC anomaly, Douglas Dotson, 2004/02/15
- Re: [avr-gcc-list] ADC anomaly, Richard Urwin, 2004/02/15
- Re: [avr-gcc-list] ADC anomaly, Douglas Dotson, 2004/02/15
- Re: [avr-gcc-list] ADC anomaly, Richard Urwin, 2004/02/16
- Re: [avr-gcc-list] ADC anomaly, Douglas Dotson, 2004/02/16
- Re: [avr-gcc-list] ADC anomaly, Mattias Svensson, 2004/02/17
- Re: [avr-gcc-list] ADC anomaly, t.white, 2004/02/17
- Re: [avr-gcc-list] ADC anomaly, Richard Urwin, 2004/02/17
- Re: [avr-gcc-list] ADC anomaly,
Douglas Dotson <=
- RE: [avr-gcc-list] ADC anomaly, Loveny Design, 2004/02/15