[time-nuts] High accuracy temp controller ckt

[Bernd Neubig]

Dave wrote:
>I  have recently assembled some reasonably low temperature coefficient (5
ppm/deg C) resistors in a reasonably well insulated box to try to make a
resistor that should be stable over short time periods to allow it to be
used as a transfer standard. But I am seriously >considering having another
attempt at this, but putting the resistor in an oven.

AXTAL has a miniature oven for heating precision resistors or other
components to a constant temperature. It is housed in a small DIP8 package.
See attached AXR135 data sheet.
Optionally this device can be offered unsealed, ready for inserting the
component by yourself

Regards
Bernd 

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