On Tue, Dec 02, 2008 at 04:41:10PM -0500, nescivi wrote:
> > well, 10 bit is ok, but i would prefer a more accurate resolution.
>
> That's not what I am getting at.
> If your sensor's analog output value has less than 0.097656 % (1/1024 * 100%)
> noise, then, yes, you need a more accurate ADC. Otherwise there is no point.
Depends on the noise bandwidth and sample rate.
A simple 2nd order, critically damped LPF can
do wonders. If you buffer the sensor with an
opamp, this takes just two resistors and two
condensors. I'd use it anyway.
Ciao,
-- FA Laboratorio di Acustica ed Elettroacustica Parma, Italia Lascia la spina, cogli la rosa. _______________________________________________ Linux-audio-user mailing list Linux-audio-user@email-addr-hidden http://lists.linuxaudio.org/mailman/listinfo/linux-audio-userReceived on Wed Dec 3 04:15:01 2008
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