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Re: [Discuss-gnuradio] USRP2 missing Quadrature samples


From: Bob McGwier
Subject: Re: [Discuss-gnuradio] USRP2 missing Quadrature samples
Date: Fri, 06 Feb 2009 14:29:48 -0500
User-agent: Thunderbird 2.0.0.19 (Windows/20081209)

AHA!!

(sheepish grin on face wondering why signals looked real .... because they are)


Bob


Leslie Choong wrote:
Huzzah! It works! I did have the older Flex 2400 daughtercard so I
moved the resistors around and re burned  it. It now works great.
Thanks to everyone who helped out, especially Matt and Jonathan!
-Leslie

On Thu, Feb 5, 2009 at 11:31 AM, Matt Ettus <address@hidden> wrote:
Leslie Choong wrote:
Thanks to Johnathan's help it seems my problem is with the USRP2's
recognition of the daughterboard. I used a USRP1 Rev 4.1 to flash my
FLEX 2400 to the rfx2400 EEPROM using this command:
./burn-db-eeprom -A -t rfx2400 --force

Also, are X1 and X101 populated on your RFX2400?  If so, you have a very old
non-MIMO_B version, which is probably why you saw this problem in the first
place.  If so, you will need to follow the directions here:

       http://gnuradio.org/trac/wiki/USRPClockingNotes

Look under Flex2400.

Matt



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