[time-nuts] New PPB rated TCXO

[Nick Sayer]

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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