Good enough - but you're not going to get mush averaging of a 50 or 100Hz
(etc.) power line noise in a 800uS sampling period - unless you sample
synchronously with the mains!

Richard
> -----Original Message-----
> From: Sean Breheny [mailto:shb7@CORNELL.EDU]
> Sent: Tuesday, June 01, 1999 10:34 AM
> To: PICLIST@MITVMA.MIT.EDU
> Subject: Re: Sleep
>
>
> Hi Richard,
>
> Well, yes, you are right. I guess the point is that the S&H
> cap will tend
> to average out small amounts of noise during the sampling time, BUT we
> don't want power supply noise to throw off the reference
> during the actual
> A/D conversion. I think that is the point of putting the PIC in sleep.
>
> Sean
>
> At 08:22 AM 6/1/99 +1200, you wrote:
> >I may be off track - but you're saying you have low noise in
> sleep mode -
> >but isn't this is during the A/D conversion period - not the
> sampling time?
> >Sorry if I've got this wrong.
> >
> >Richard
>
> |
> | Sean Breheny
> | Amateur Radio Callsign: KA3YXM
> | Electrical Engineering Student
> \--------------=----------------
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