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