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Re: [AVR-Chat] Negative bias supply for signal conditioning op-amp

2005-04-01 by Kathy Quinlan

Chuck Hackett wrote:
>>From: Mark Jordan [mailto:mark@cpovo.net]
>>
>>	Have you tried the AVR analog comparator?
>>
>>	Mark Jordan
> 
> 
> Good thought but I'm doing field testing of a signal conditioner to be attached
> to an AVR in the future but for testing this weekend there is no AVR available.
> Also, there will be another stage of conditioning after the op-amp prior to the
> signal being fed to the AVR.
> 
> In doing some web searching I have discovered:
> 
> http://ourworld.compuserve.com/homepages/Bill_Bowden/5volts.gif
> 
> and
> 
> http://www.northcountryradio.com/PDFs/column009.pdf
> 
> which would seem to cover the first part of my query.
> 
> Still would like low cost recommendations for a single supply op-amp that can be
> used for inputs from .1 to .6 vdc.
> 
> BTW: Even though this will eventually feed an AVR is there another list of
> helpful, non-flaming folks that I should direct questions like this to?  I
> realized that it's not directly AVR related.  So far I just subscribe to lists,
> haven't ventured into newsgroups yet.
> 
> Regards,
> 
> Chuck Hackett
You will not get flamed for electronics questions, as just about every 
digital engineer knows, Analog is becoming a BIG part of our jobs as 
clock speed increases.

Regards,

Kat.

List mom

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