[USRP-users] X300 REF OUT drive capability

Marcus D. Leech patchvonbraun at gmail.com
Tue Feb 12 11:32:01 EST 2019


On 02/12/2019 11:25 AM, Brian Padalino via USRP-users wrote:
> Check U530 on page 11, A1:
>
> https://files.ettus.com/schematics/x300/x3xx.pdf
>
> It's a FIN1002 LVDS receiver.  Datasheet says 16mA max:
>
> http://www.mouser.com/ds/2/149/FIN1002-108110.pdf
>
> Brian
>
Hmm, yes.   I had read the part-number incorrectly, couldn't find it, 
and assumed that it was a coax driver.   It's not.

So, it won't drive 50ohm systems very well.





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