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Re: [Discuss-gnuradio] 64Mhz Crystal Oscillator part number
From: |
Matt Ettus |
Subject: |
Re: [Discuss-gnuradio] 64Mhz Crystal Oscillator part number |
Date: |
Fri, 19 Oct 2007 14:04:39 -0700 |
User-agent: |
Thunderbird 2.0.0.0 (X11/20070326) |
Nirali Patel wrote:
>
> Hi,
>
>
>
> I have a USRP Rev 4.5 and I was trying to find stability information
> on the 64 Mhz crystal oscillator. However, I am unable to
> cross-reference it to a manufacturer’s part number. The part number on
> the BOM says X2 is a digikey CTX286LVCT-ND. However the part populated
> on the
>
> USRP is from Ecliptek and the number stamped on the part itself just
> tells about the frequency and the year/week of production. I am also
> unsure if this is a TCXO or not. Any help and information appreciated.
>
Older USRPs used the CTX, and it had 50ppm tolerance. Newer ones have
the Ecliptek part with 20ppm tolerance. Neither is a TCXO.
Matt