Forum: GNU Radio Using rfx900 with usrp rev 3 (2005)

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78ec618ea0a849acd50c50d9366c6b1f?d=identicon&s=25 Gohar (Guest)
on 2009-01-15 19:29
(Received via mailing list)
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) ?

Gohar
3596cfe1d579c65b9babd35e8787977c?d=identicon&s=25 Matt Ettus (Guest)
on 2009-01-16 08:25
(Received via mailing list)
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
11d7aa1c72334e1525b6d5f928ed96db?d=identicon&s=25 Newell Jensen (Guest)
on 2009-01-16 23:15
(Received via mailing list)
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).
3596cfe1d579c65b9babd35e8787977c?d=identicon&s=25 Matt Ettus (Guest)
on 2009-01-17 08:08
(Received via mailing list)
The newer way will have better phase noise.

Matt
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