Thanks I appreciate your reply. I think I have the same problem with alliasing but my biggest problem is the gain control. I haven't updated to the current firmware version yet. I hope it will solve the problem.
Manolis -----Original Message----- From: Michael Ossmann [mailto:[EMAIL PROTECTED] Sent: Wed 11/26/2008 9:12 PM To: Matigakis Emmanouil Cc: discuss-gnuradio@gnu.org Subject: Re: [Discuss-gnuradio] USRP2 with FLEXRF2400 db On Wed, Nov 26, 2008 at 11:00:54AM -0500, Michael Ossmann wrote: > > I took an acquisition yesterday with usrp2_rx_cfile.py -f 2414e6 > which looks good except that there is aliasing centered at 2412.5 > MHz. I may have spoken too soon about the aliasing as my results appear inconsistent. I took two simultaneous (not synchronized) acquisitions with: usrp2_rx_cfile.py -s -e eth1 -d 4 -f 2414e6 -g 80 -N 500e6 foo & usrp2_rx_cfile.py -s -e eth2 -d 4 -f 2414e6 -g 80 -N 500e6 bar & Each gigabit card was connected directly to a USRP2. Each USRP2 was running firmware built from rev 10037 and had an RFX2400 installed. One of the acquisitions exhibits aliasing, but the other does not. I will try to repeat this next week and see if I made a mistake somewhere.
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