[Lowfer] 10 MHz OCXO for W1TAG sound card calibrator

Charlie , W5COV cvest at cox.net
Sat Feb 15 19:14:54 EST 2014


I want to order the PIC from John , to use with one of my Wenzel OCXO's 
, but haven't been able to get in touch with John and order one.

Charlie, W5COV


On 2/15/2014 6:03 PM, Dexter McIntyre W4DEX wrote:
> I received the 10 MHz OCXO from Paul today.  From a cold start, 
> approximately 65F, it took only 3 minutes for the oven to warm up and 
> start regulating.   The initial 12 volt current was only 500 ma and 
> went down to about 150 ma after warm up.  With one channel of a dual 
> trace scope triggered by 10 MHz from the GPS locked output of a HP 
> Z3801 the OCXO trace on a second channel was barely creeping after the 
> 3 minute warm up.  I tweaked the OCXO trace dead on with the Z3801 and 
> after several hours it has not moved.
>
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