[time-nuts] Low Allan Dev Oscillators

[Said Jackson]

My bad, looking at the plot adev is in the xE-013's. thats good.

Who makes these and how much are they?

Thanks,
Said

Sent From iPhone

On Sep 2, 2013, at 10:29, Said Jackson <saidjack at aol.com> wrote:

> Hello Steve,
> 
> Nice plots. Not bad ADEV. Not quite as good as a typical BVA, but respectable.
> 
> Who makes these and what package are they in?
> 
> Thanks,
> Said
> 
> Sent From iPhone
> 
> On Sep 2, 2013, at 3:00, "Martyn Smith" <martyn at ptsyst.com> wrote:
> 
>> Hello,
>> 
>> I mentioned about there being other low Allan Dev oscillators available on
>> the market.
>> 
>> Said asked me to supply some results (And Yes Said, I meant 1 x 10E-13)
>> 
>> I'm not sure if attachments work on timeouts, so I have put a couple of
>> graphs on my website.
>> 
>> These graphs show typical results for our low noise 10 MHz oscillator.
>> 
>> This oscillator hasn't been optimised specifically for Allan Dev or phase
>> noise, just the best combination of both.
>> 
>> We can achieve better phase noise at 1 Hz, -120 dBc being achievable, if we
>> select the best oscillator from a batch.
>> 
>> And the Allan Deviation is only after the oscillators have been on a day or
>> so.  They will improve if left on longer.
>> 
>> www.ptsyst.com/10MHzPN-1.pdf
>> 
>> We have improved the phase noise at 100 Hz and get about -156 dBc these days.
>> 
>> www.ptsyst.com/10MHzAD-1.pdf
>> 
>> Best Regards
>> 
>> Steve
>> 
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