Hello Poul,
You are right:
Since I use usually battery supply I do not want any heating/cooling.
And since the references that I use are only for measuring voltages in a
kind of "voltmeter"
I can easily compensate the effect of temperature by calculation.
On the other side also a reference can be stabilized by a NTC in a small
temperature range.
See Geller Labs SVR-T.
http://www.gellerlabs.com/svr%20series.htm
Further Peltiers have one disadvantage that I do not want to have in
precision cirquits:
The cold side is always collecting humidity.
with best regards
Andreas
Am 01.11.2014 um 12:13 schrieb Poul-Henning Kamp:
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In message <[email protected]>, Andreas Jahn writes:
Ok perhaps you have to select them for tempco. In my case tempco is
compensated by a microcontroller with a (NTC) temperature sensor.
Don't underestimate how easy it is to make a oven with a peltier.
If you just want to stabilize the temperature around ambient, you
need very little power to a peltier to do that, and it can move
heat both ways.
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