The newer way will have better phase noise.

Matt


Newell Jensen wrote:
When doing this modification, is there any performance differences between using a setup with this modification versus a newer USRP1 that doesn't need this modification? I think I had heard that the newer USRP1 has better clock performance or something for the RFX900 boards and didn't know how much a setup with this modification would perform in comparison to a setup with a newer USRP1 (using the RFX900 boards).

On Thu, Jan 15, 2009 at 11:23 PM, Matt Ettus <m...@ettus.com <mailto:m...@ettus.com>> wrote:

    Gohar wrote:

        Hi,
        Is it possible to use rfx900 with usrp rev 3 hardware that was
        released in 2005? If yes, what changigs should be made on
        either board (usrp board or rfx900 board) ?


    On the RFX board
      Move R36 to R34
      Move R115 to R116

    Put the rfx board on the USRP and run

      burn-db-eeprom -t rfx900_mimo_a -f -A -B

    Matt



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Newell



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