[time-nuts] eBay seller has Z3801A upgraded to 58503A

[Bob Camp]

Hi
> On Nov 27, 2014, at 6:45 PM, Said Jackson via time-nuts <time-nuts at febo.com> wrote:
> 
> The 58503A we got have much better ADEV and PN than what was posted recently on the Lucent boxes. TVB has many plots of the Z3801A on his website

I see a lot of plots of free running 3801’s on the site. I only can find one plot of a locked 3801. The locked plot looks a lot like the ones I have posted. Is there a hidden page somewhere that I’m missing?

Bob

> - same box.
> 
> They used to be $399 on eBay, now likely $500 or more, but you get what you pay for..
> 
> Sent From iPhone
> 
>> On Nov 27, 2014, at 16:14, Bob Camp <kb8tq at n1k.org> wrote:
>> 
>> Hi
>> 
>> Let’s say that an OCXO based new part is $500. Who knows if that applies to the Furry. If it does, that’s a really good price. Anything below that and Santa Claus is coming to your house early. 
>> 
>> Are you putting this in a commercial system?
>> 
>> Do you expect to need warranty support?
>> 
>> I’d bet the reasonable answer to both is no.
>> 
>> The KS boxes are $150 for the pair. They are new old stock. 
>> 
>> Do you believe the newer part works better than the KS ADEV wise?
>> 
>> Again I’d say the reasonable answer is no. The KS boxes are essentially the same as a Z3801 in terms of ADEV. 
>> 
>> You can get (in this example case) three of the KS box pairs and still save money over the new part. Shipping might tip that one way or the other. 
>> 
>> Why would this matter?
>> 
>> With three boxes, you can check them against each other and rule in / rule out problems with any one pair. That’s keeping everything plug and play. If you want to do a few “wire a connector” mods, you can have six sources to compare against each other. You can also have a whole bunch of spares ….
>> 
>> Bob
>> 
>> 
>>> On Nov 27, 2014, at 5:58 PM, Dr. David Kirkby (Kirkby Microwave Ltd) <drkirkby at kirkbymicrowave.co.uk> wrote:
>>> 
>>> Dr David Kirkby
>>> 
>>>> On 27 Nov 2014 23:27, "Brooke Clarke" <brooke at pacific.net> wrote:
>>>> 
>>>> Hi Dave:
>>>> 
>>>> http://www.ebay.com/itm/171504585820
>>>> 
>>>> http://www.prc68.com/I/LTE-LiteGPSDO.html
>>> 
>>>> Brooke Clarke
>>> 
>>> I was aware of them, and are still contemplating getting one, but the Fury
>>> from Jackson Labs uses an OCXO, so will have better performance.  I don't
>>> know what that costs though.  Clearly more than the LTE Lite.
>>> 
>>> Siad should consider putting the Fury on eBay,  but I would rather pay
>>> direct, which would save them the eBay fees, so hopefully cost me less.
>>> 
>>> Dave
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