[Lowfer] 10 MHz OCXO for W1TAG sound card calibrator

John Andrews w1tag at charter.net
Sat Feb 15 21:36:57 EST 2014


Charlie,

Oooooppps. I got two requests last weekend, printed them out, and they 
wound up in a pile of papers. Will get in touch!

John, W1TAG

On 2/15/2014 7:14 PM, Charlie , W5COV wrote:
> 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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