piclist 1998\11\09\105935a >
Thread: Wanted: schematic of (quartz) thermostat on the web
www.piclist.com/techref/index.htm?key=schematic+quartz
picon face BY : Peter L. Peres email (remove spam text)



On Sun, 8 Nov 1998, Dave VanHorn wrote:

> Your power line is at least that accurate, if not more. They tweak the
> generator speed by hand, so that in the long term, it's dead on to wwv.

Historically perhaps. Nowadays the hand has no body behind it, and it has
a legend that says 'IBM' on the side, or something like that.

> In the short term though, it could be dramatically off.

Not really. In a modern country-wide coordinated network operating within
its normal specs all you get is phase slip, else the whole shebang goes to
hell very quickly.

Peter

<Pine.LNX.3.95.981109084857.318C-100000@plp4.plp.home.org>

In reply to: <3646223B.45983493@cedar.net>
See also: www.piclist.com/techref/index.htm?key=schematic+quartz
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