[time-nuts] time-nuts Digest, Vol 123, Issue 8

[Frank Pape]

Von meinem Sony Xperia™-Smartphone gesendet

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>Today's Topics:
>
>   1. Re: How long do ovens take to cool to ambient, after power is
>      removed? (Dan Kemppainen)
>   2. Re: How long do ovens take to cool to ambient, after power is
>      removed? (Azelio Boriani)
>
>
>----------------------------------------------------------------------
>
>Message: 1
>Date: Fri, 03 Oct 2014 08:33:22 -0400
>From: Dan Kemppainen <dan at irtelemetrics.com>
>To: time-nuts at febo.com
>Subject: Re: [time-nuts] How long do ovens take to cool to ambient,
>	after power is removed?
>Message-ID: <542E9792.8040608 at irtelemetrics.com>
>Content-Type: text/plain; charset=utf-8
>
>Hi All,
>
>Considering this old stuff was that good, what's the best that's
>currently available now? How does that compare to the best that's ever been?
>
>Dan
>
>
>
>
>
>On 10/3/2014 7:19 AM, time-nuts-request at febo.com wrote:
>> Tom,
>> 
>> Nice performance. Wish we could get that today! My fairly modern BVA is nowhere near that stability.
>> 
>> If you open up a brand new DOCXO you will see a crystal designed in the 70's and an oscillator circuit designed sometime in the 30's  or 40's, maybe updated to a more or less modern transistor..
>> 
>> Once you have the recipe, there is no need to change it really..
>> 
>> Bye,
>> Said
>
>
>------------------------------
>
>Message: 2
>Date: Fri, 3 Oct 2014 15:31:58 +0200
>From: Azelio Boriani <azelio.boriani at gmail.com>
>To: Discussion of precise time and frequency measurement
>	<time-nuts at febo.com>
>Subject: Re: [time-nuts] How long do ovens take to cool to ambient,
>	after power is removed?
>Message-ID:
>	<CAPjwOu+tkyp9eO=1AvDw81gkmT9uBWHOc-LBhkkzzeTudZ0TLg at mail.gmail.com>
>Content-Type: text/plain; charset=UTF-8
>
>The best now is the 8607 BVA OCXO from Oscilloquartz (now part of ADVA
>optical networking).
>
>On Fri, Oct 3, 2014 at 2:33 PM, Dan Kemppainen <dan at irtelemetrics.com> wrote:
>> Hi All,
>>
>> Considering this old stuff was that good, what's the best that's
>> currently available now? How does that compare to the best that's ever been?
>>
>> Dan
>>
>>
>>
>>
>>
>> On 10/3/2014 7:19 AM, time-nuts-request at febo.com wrote:
>>> Tom,
>>>
>>> Nice performance. Wish we could get that today! My fairly modern BVA is nowhere near that stability.
>>>
>>> If you open up a brand new DOCXO you will see a crystal designed in the 70's and an oscillator circuit designed sometime in the 30's  or 40's, maybe updated to a more or less modern transistor..
>>>
>>> Once you have the recipe, there is no need to change it really..
>>>
>>> Bye,
>>> Said
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>End of time-nuts Digest, Vol 123, Issue 8
>*****************************************