[time-nuts] 10811-60105 and -60111

Rick Karlquist richard at karlquist.com
Tue Aug 17 13:42:11 EDT 2004

buehl said:

> The limiting factor is going to be the ON-OFF temp delta of the internal
> ovens.  The raising of the external temp (with your external heaters) will

The 10811, like 99.99% of oven oscillators, uses proportional
control, not "bang bang" control as you describe.

> found passive insulation to be just as good as an external heater; He has

No, passive insulation will have only slow down, not eliminate
frequency error due to a step in temperature.  It might help
ride out short term fluctuations (minutes long).

Rick Karlquist

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