[USRP-users] on-board VCTCXO information

Urban Hakansson uhakansson at tecore.com
Mon Jul 20 09:44:56 EDT 2015


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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