[time-nuts] New PPB rated TCXO

[djl]

But how the heck did they get some? According to the website, even data 
sheets are not available.
Don

On 2016-10-10 21:32, Henry Hallam wrote:
> I can attest that that oscillator was a lifesaver recently in a
> project I was tangentially involved with.  They had tried several
> TCXOs and were plagued with thermal and vibration sensitivity.  They
> dropped in the SiTime and it worked like a charm.
> 
> Henry
> 
> On Mon, Oct 10, 2016 at 7:02 PM, Nick Sayer via time-nuts
> <time-nuts at febo.com> wrote:
>> The video linked on that page is particularly interesting (if you take 
>> it on face value that they're not faking it. ;) ).
>> 
>> Sent from my iPhone
>> 
>>> On Oct 10, 2016, at 8:03 AM, Robert LaJeunesse <lajeunesse at mail.com> 
>>> wrote:
>>> 
>>> For general group information, as SiTime datasheet is not open to the 
>>> public (yet?).
>>> 
>>> https://www.sitime.com/products/precision-super-tcxo
>>> 
>>> Actually a MEMS oscillator, comparison video against quartz TCXO is 
>>> interesting.
>>> 
>>> Claimed Key Features:
>>> - 30x better dynamic performance for macro cells, small cells, syncE 
>>> and optical networks
>>> - 3e-11 Allan Deviation (ADEV)
>>> - 0.2 ps/mv PSNR, eliminating dedicated LDO
>>> - No activity dips or microjumps
>>> - 10x better dynamic stability, replacing OCXOs in IEEE 1588 
>>> applications
>>> - 1 to 5 ppb/°C frequency over temperature slope
>>> - -40°C to +105°C operation uniquely enables fan-less outdoor 
>>> equipment
>>> - 20x greater vibration resistance ensures continuous system 
>>> operation
>>> 
>>> Frequency range 1MHz to 220MHz (via 2 product types) so some form of 
>>> synthesizer/divider is inherent.
>>> 
>>> Bob L.
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-- 
Dr. Don Latham
PO Box 404, Frenchtown, MT, 59834
VOX: 406-626-4304