AVR-Chat

That should be good, then.

Jim Wagner

On Oct 26, 2012, at 9:37 AM, Dave McLaughlin wrote:

> Hi Jim,
> 
> I have an inductor in series with the main 5V supply with a 0.1uF cap either
> side of the inductor so there is a bypass on Vref. I use this same exact
> setup with the isolated ADC I also have on the design and any other design I
> use and it works well. AVcc is fed from the same point.
> 
> I don't have a stable reference as I need ratiometric measurement. 
> 
> Dave...
> 
> -----Original Message-----
> From: AVR-Chat@yahoogroups.com [mailto:AVR-Chat@yahoogroups.com] On Behalf
> Of Jim Wagner
> Sent: 26 October 2012 22:49
> To: AVR-Chat@yahoogroups.com
> Subject: Re: [AVR-Chat] Apparent non-linear output from ADC
> 
> How have you supplied AVcc? What are you using for reference? Does the
> reference have a bypass capacitor?
> 
> Jim Wagner
> Oregon Research Electronics
> .
> 
>  
> 



[Non-text portions of this message have been removed]