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Re: [Discuss-gnuradio] Problems after upgrading to UHD with USRP2

From: Josh Blum
Subject: Re: [Discuss-gnuradio] Problems after upgrading to UHD with USRP2
Date: Tue, 25 Oct 2011 15:25:48 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:7.0.1) Gecko/20110929 Thunderbird/7.0.1

On 10/25/2011 12:53 PM, Sam Keene wrote:
> Hello all,
> We recently upgraded to the UHD drivers, and now some basic stuff we
> had working with the older drivers just isn't working anymore. For
> example, I'm just trying to transmit and receive a raised cosine
> pulse, but I'm not getting anything at the receiver. I've eliminated
> all warnings that I was getting, to no avail. We're using USRP2s with
> the RFX2400 daughterboards.
> I'm attaching 2 GRC files as examples of what we're doing. I'm not
> getting any received signal. Any idea what I'm doing wrong.

What version of UHD? Can you repeat the experiment with a higher
sampling rate? Also, make sure that filter isnt outputting more than
magnitude 1.0/


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