[time-nuts] Linear voltage regulator hints...
Charles Steinmetz
csteinmetz at yandex.com
Sat Dec 13 15:08:24 EST 2014
Dan wrote:
>It's interesting what can be learned from looking at a bunch of data...
Sure enough, BUT: Never forget that this same methodology has
suckered many "researchers" into claiming causal relationships
between the birth rate in some small Peruvian village and the price
of raw steel in Europe, and other such nonsense. Data mining is a
thousand times more fraught with peril than simulating the operation
of electronic circuits, and trusting simulations bites many engineers
in the ass every day.
>The really interesting thing is what's going on with the GPS
>temperature. You can see it ramp temp slowly, then drop 1/2 deg F,
>then ramp up slowly, and drop again.
What is the time scale of this cycle? Could it be associated with
the lab HVAC system? [I asked in another message what, exactly, is
being measured and reported as "the GPS temperature," and how much
thermal isolation there is between the various subsystems in the test setup.]
Best regards,
Charles
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