[USRP-users] on-board VCTCXO information

Ian Buckley ianb at ionconcepts.com
Mon Jul 20 13:12:12 EDT 2015


Urban,
All the GSPDO's are custom versions of Jackson Labs products….you can seek specs and data at their website.

B210's TCXO is a TXC 7Q-40.000MBS-T

-Ian

On Jul 20, 2015, at 6:44 AM, Urban Hakansson via USRP-users <usrp-users at lists.ettus.com> wrote:

> Hi
> 
> I wonder if you would mind providing  the name and model number of the local on-board VCTXCOs that are used on the B210 and the N210.
> 
> I would like to compare the Data Specs in greater detail.
> 
> The B210 and N210 data sheets only specify frequency accuracy as +/- 2 ppm and 2.5 ppm respectively.
> 
> I would like to be able to find out 
> 
> Frequency Calibration Accuracy? (Is the oscillator calibrated in factory??)
> Frequency Stability vs Temperature?  (what temperature range???)
> Frequency Stability vs Load?
> Frequency Stability vs Voltage?
> Frequency Stability vs Aging (daily, 1 year, lifetime)?
> 
> Are all of these factors lumped together in the +/- 2 ppm and 2.5 ppm respectively figures respectively, or is it just Frequency Stability vs Temperature?
> 
> Also, I would like to know
> Warm up time?
> Center Frequency?
> 
> What brand, model number of oscillator are used on the Octoclock-G and board-mounted GPSD0 for the N210 and the B210.
> 
> Is it possible fro you to make the  chematics for the board-mounted GPSD0 for the N210 and the B210 available? I looked at http://files.ettus.com/schematics/ and could not find them.
> 
> If you could just provide the name and model number I can look it up myself.
> 
> Thank you for your consideration.
> 
> Regards,
> Urban Hakansson
> Senior Software Engineer
> Tecore Networks
> Phone: +1 410 872 6315
> Fax: +1 410 872 6010 
> Email: uhakansson at tecore.com
> 
> 
>  
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