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[Discuss-gnuradio] Rev2 USRP and new RFX?

From: Joshua Lackey
Subject: [Discuss-gnuradio] Rev2 USRP and new RFX?
Date: Thu, 30 Apr 2009 00:49:42 -0400
User-agent: Mutt/

Back in 2007 there was a discussion about using the newer RFX (mimo B)
boards with a Rev3 USRP.

It's pretty clear that the below applies to Rev2 boards as well but I
thought I would ask before I fire-up the old soldering iron.


On Wed, 07 Feb 2007 17:27:18 -0800 Matt Ettus wrote:
> All RFX boards currently shipping are configured for MIMO_B mode, which
> requires a Rev 4 or higher USRP (serial number greater than 500).
> If you wish to use it with a USRP with a serial number below 500 you
> will need to do the following:
>     Remove R115 (zero ohms) and place it at R116
>     Remove R36 (zero ohms) and place it at R34
>     Put the RFX on a USRP (side A) and run the following:
>        usrp/host/apps/burn-db-eeprom -f -A -t rfxYYYY_mimo_a
>             where YYYY is the board you have (i.e. 400, 900, 1200, 1800,
> or 2400).

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