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From: | Nikos Balkanas |
Subject: | Re: [Discuss-gnuradio] RX channel 1 out of range for configured RX frontends |
Date: | Fri, 18 Mar 2016 19:06:54 +0200 |
You *can* have 2 rx channels in an N210 (by means of dual DDC chains),
but you probably haven't set the subdev spec appropriately (Something
like 'A:0 A:0', depending on your daughterboard, check the UHD manual).
Cheers,
Martin
On 03/18/2016 08:53 AM, Nikos Balkanas wrote:
> Hi,
>
> You can have only 1 RX and 1 TX channel in a N210. You are asking for 2
> RX channels in your flow. Runtime complains that he can access only 1
> channel (Rx0).
>
> HTH,
> Nikos
>
> On Fri, Mar 18, 2016 at 5:39 PM, SUGANYA M <address@hidden
> <mailto:address@hidden>> wrote:
>
> Hi All,
> I am using GNU Radio Companion 3.7.5 and USRP N210.
> When I implemented a simple flow graph of SIMO system with two
> channels using USRP source block ( attached grc flow graph snapshot
> for reference),
> I am getting following error:
>
> Traceback (most recent call last):
> File "/home/student/SUGAN/ONE_TWO.py", line 130, in <module>
> tb = ONE_TWO()
> File "/home/student/SUGAN/ONE_TWO.py", line 72, in __init__
> channels=range(2),
> File
> "/usr/local/lib/python2.7/dist-packages/gnuradio/uhd/__init__.py",
> line 122, in constructor_interceptor
> return old_constructor(*args)
> File
> "/usr/local/lib/python2.7/dist-packages/gnuradio/uhd/uhd_swig.py",
> line 1740, in make
> return _uhd_swig.usrp_source_make(*args)
> RuntimeError: LookupError: IndexError: multi_usrp: RX channel 1 out
> of range for configured RX frontends
>
> Can anyone help me to fix this error?
> Thanks in advance
>
> Regards,
> Suganya.M
>
>
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