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List:       usrp-users
Subject:    [USRP-users] subdevice_spec and antenna values for E310
From:       Ben Lapointe via USRP-users <usrp-users () lists ! ettus ! com>
Date:       2015-02-26 19:15:38
Message-ID: CACkXhTH0Fhsz6D+T5v-HPgGiDGn98TANftoqo8-VQr-LhVqrYw () mail ! gmail ! com
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Hi,



I am trying to get my USRP E310  up and running.  The first thing I tried
was creating a simple project in gnuradio-companion to loop the input to
the output.  For this I connected a "USRP Source" block to a "USRP Sink"
block.  For the USRP Source I have subdevice_spec = A:A and antenna = RX2.  For
the USRP Sink I have subdevice_spec = A:A and antenna = TX/RX.  Center
frequency is 750MHz and Sample Rate is 10M.  My RF input is connected to
the RX2-A port and the output is connected to the TRX-A port.  This setup
didn't seem to work.  I don't see an output signal from the TRX-A port, and
the screen shows lots of "U"s.



Can anyone give me advice on what the subdevice_spec and antenna should be
set to?  I've tried many variations of these values.  Thanks!

-Ben

[Attachment #5 (text/html)]

<div dir="ltr"><p class="MsoNormal">Hi,</p>

<p class="MsoNormal">  </p>

<p class="MsoNormal">I am trying to get my USRP E310<span>   </span>up and \
running.<span>   </span>The first thing I tried was creating a simple project in \
gnuradio-companion to loop the input to the output.<span>   </span>For this I \
connected a "USRP Source" block to a "USRP Sink" block.<span>   </span>For the USRP \
Source I have subdevice_spec = A:A and antenna = RX2.<span>  
</span>For the USRP Sink I have subdevice_spec = A:A and antenna = TX/RX. <span>  \
</span>Center frequency is 750MHz and Sample Rate is 10M.<span>   </span>My RF input \
is connected to the RX2-A port and the output is connected to the TRX-A port.<span>   \
</span>This setup didn't seem to work.<span>   </span>I don't see an output signal \
from the TRX-A port, and the screen shows lots of "U"s.</p>

<p class="MsoNormal">  </p>

<p class="MsoNormal">Can anyone give me advice on what the subdevice_spec and
antenna should be set to?<span>   I&#39;ve tried many variations of these values.   \
</span>Thanks!</p><p class="MsoNormal">-Ben<br></p></div>



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