[time-nuts] OCXO Adjustment Question -- Oven Cycling

Frederick Bray fwbray at mminternet.com
Wed May 8 19:05:07 EDT 2013


Thanks for the comments.


The 5110 has the ability to run on 12 volts DC and then the only 
"processing" of the power is to derive 6 volts and a -7 bias.  I am 
going to try it on battery power and see if that makes any difference.  
(I haven't touched the main supply yet, but I did rebuild the DC board 
by replacing all the electrolytic capacitors and several resistors that 
had increased in value well beyond any reasonable tolerance.)  The 
battery test should help to narrow things down.

Probably a more modern OCXO would be a useful improvement in any event.

Fred



On 5/8/2013 1:50 PM, Bob Camp wrote:
> Hi
>
> If it's moving up and down from +1 to +17 Hz from 10 MHz relative to 10 MHz,
> it's broke. Either the OCXO it's self is in trouble or the supply going into
> it has an issue.
>
> Bob



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