Re: how to use 2 usrp b210 to receive synchronously

[james jordan]

Hi Marcus,

if i use 2 uhd source block how to make them synchronized.

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From: discuss-gnuradio-bounces+james.jordan.999=hotmail.com@gnu.org <discuss-gnuradio-bounces+james.jordan.999=hotmail.com@gnu.org> on behalf of Marcus Müller <mmueller@gnuradio.org>
Sent: Tuesday, May 30, 2023 7:42 PM
To: discuss-gnuradio@gnu.org <discuss-gnuradio@gnu.org>
Subject: Re: how to use 2 usrp b210 to receive synchronously

 

Dear James,


you can't; uhd::multi_usrp only supports a single B210 per instance. You
need to use two USRP source blocks.


Best regards,

Marcus


On 5/30/23 12:34, james jordan wrote:
> Hi all,
> i have 2 usrp b210 and i want to make 4 channel rx system. i make a
> uhd source and config mboard num 2 and channel count 4. but when i run
> the programme it says "RuntimeError: LookupError: IndexError:
> multi_usrp: RX channel 2 out of range for configured RX frontends"
> so how to set the source block for 2 b210?