[time-nuts] New PPB rated TCXO
scott.j.stobbe at gmail.com
Tue Oct 11 11:38:14 EDT 2016
This is also showed up on a recent EDN "feature"
A Rakon designer chimed in on the comments.
On Mon, Oct 10, 2016 at 11:03 AM, Robert LaJeunesse <lajeunesse at mail.com>
> For general group information, as SiTime datasheet is not open to the
> public (yet?).
> Actually a MEMS oscillator, comparison video against quartz TCXO is
> 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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