Thank you. This is what I wanted to hear. I could not see how aliasing could
effect my application. That certainly makes it a little easier, if only
conceptually.

Tom.

----- Original Message -----
From: Bill METZENTHEN <b.metzenthen@MEDOTO.UNIMELB.EDU.AU>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Monday, September 27, 1999 11:50 AM
Subject: Re: A/D Challenge Summary


> Thomas,
>
> I think that aliasing is a red herring for your application.
>
> I think that other people have pointed this out in postings to this list.
>
> If you are only interested in the settings of the pots at your sampling
> instants then you don't
> need any anti-aliasing filtering.  What you want is what you will get.
> Aliasing would only be an
> issue if you wanted to be able to re-construct the signal (e.g. by digital
> processing and/or
> writing your samples to a D/A and filter) between the sampling instants.
>
>
> Cheers,
>            Bill