[time-nuts] [qs1r] Looking for good, cheap, external reference
Mark J. Blair
nf6x at nf6x.net
Thu Sep 23 03:29:08 UTC 2010
On Sep 22, 2010, at 7:50 PM, Ed Palmer wrote:
> Does the temperature move around a little or is it a flat, straight
> line? If it never moves, it's probably the bad one. As Bob mentions
> below, the temperature only changes in large steps with the bad
> sensor. The good one has steps in the millidegree range. I got my
> chips from the auction place. Make sure that they are C or D revision,
> the E revision is the bad one. Check the list archive for lots of info
> on this topic.
It does move around, so I think I have the good one. I should be powering it off soon to do some more work on the power supply, so I can open it back up to check the temperature sensor revision.
Mark J. Blair, NF6X <nf6x at nf6x.net>
Web page: http://www.nf6x.net/
GnuPG public key available from my web page.
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