[time-nuts] Tbolt temperature sensor
Scott Newell
newell at cei.net
Thu Feb 5 19:34:56 UTC 2009
At 12:44 PM 2/5/2009 , Mark Sims wrote:
>
>I doubt the temperature sensor is just used for environmental monitoring.
If it
>was, they would most likely have just used the basic 0.5C resolution
reading
>and have been done with it. Instead, they do the high res read routine
and
>then feed that into a filter to get very smooth high resolution (microdegree
>scale) values.
Maybe shoot some cold spray or place a heater up against the Dallas temp
sensor chip and see if the EFC voltage moves? Obviously, run this test in
holdover mode.
--
newell N5TNL
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