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PicoZed Hardware Design Using external reference TCXO on PicoZed
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  • external clock
Related

Using external reference TCXO on PicoZed

400garrison
400garrison over 5 years ago

I have a question regarding the PicoZED 7030 SOM.  We are considering using it in an upcoming baseband module, and I was wondering if you could help me with a question regarding the onboard clock oscillator. On our current (existing) baseband module, we use a VT-803 TCXO for the 52MHz reference.  This part (VT-803) has an overall stability (including aging) of less than 10ppm.  The PicoZED uses a Abracon ASDMB MEMS oscillator that has at best 10ppm of stability (with an additional 5ppm for aging).

 

Is there a different part that could be used in place of this MEMS oscillator, or can we feed in our own clock reference to the PicoZED?

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  • clem57
    clem57 over 5 years ago +1 suggested
    400garrison Looking at Changing the 33.33333MHz Oscillator | Zedboard , seems like it can be done if the pins are compatible and the clock is adjusted for the higher frequency so the UART will work.
  • clem57
    0 clem57 over 5 years ago

    400garrison Looking at Changing the 33.33333MHz Oscillator | Zedboard , seems like it can be done if the pins are compatible and the clock is adjusted for the higher frequency so the UART will work.

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  • 400garrison
    0 400garrison over 5 years ago in reply to clem57

    So no way to plug in an external clock source?

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