[time-nuts] Supply voltages for the Efratom 105243 10MHz OCXO
Mike Millen
mike.millen.uk at googlemail.com
Sun Mar 20 16:11:43 UTC 2011
Thanks, Ed.
Now why didn't I think of that?
M
Ed Palmer wrote:
> Measure the wattage used by the heater at 24V and room temperature.
> This is what's required to keep the oven at the proper temperature.
> Lower the voltage to 20V and see if the heater draws the same wattage.
> As a second check, measure the current drawn at 20V at startup and
> then after warmup. The difference tells you how much headroom you've
> got
> until the heater runs full on.
>
> Ed
>
> Mike Millen wrote:
>> Many thanks to both of you.
>>
>> Is it safe to assume that the oven has its own temperature control
>> system?
>> I ask, because I'd prefer to run it from approx. 20v instead of 24v.
>>
>> With a controller (& a room-temperature environment) I'm hoping that
>> it would still be
>> operating at its design temperature with a lower voltage.
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