I understand that each TwinRX daughterboard provides two independently tunable
channels, each capable of 80 MHz bandwidth. With two TwinRX daughterboards
installed, I should be able to achieve a total of 320 MHz across four channels
(4x80 MHz).
Could you please confirm if this understanding is correct?
Additionally, I would appreciate your guidance on software recommendations to
control the X310 with this setup. Specifically, I am looking for software that
allows me to manage the tunable channels independently without interference
between them.
Thank you in advance for your assistance.
On Tuesday, June 25th, 2024 at 12:47, Martin Braun <martin.br...@ettus.com>
wrote:
> On Wed, Jun 19, 2024 at 8:37 AM Olo via USRP-users
> <usrp-users@lists.ettus.com> wrote:
>
>> When I execute the following command:
>>
>> ./benchmark_rate --args="addr=<first_ip>,second_addr=<second_ip>" --channels
>> "0,1,2,3" --rx_rate 100e6 --duration 30
>>
>> am I testing a combined bandwidth of 4x100 MHz, which totals 400 MHz?
>
> You get 4x100Msps. The actual analog bandwidth is only 80 MHz per channel,
> but the rate is 100 Msps.
>
>> Similarly, when I run:
>>
>> ./benchmark_rate --args="addr=<first_ip>,second_addr=<second_ip>" --channels
>> "0,2" --rx_rate 200e6 --duration 30
>
>> does this also equate to a total bandwidth of 400 MHz?
>
> Total sampling rate is 400 Msps, but you still only get useful bandwidth of
> 80 MHz per channel.
>
>> However, for the command:
>>
>> ./benchmark_rate --args="addr=<first_ip>,second_addr=<second_ip>" --channels
>> "0,1" --rx_rate 200e6 --duration 30
>>
>> does this only test 200 MHz because it is operating through just one TwinRX?
>>
>> I want to ensure that I fully understand how the bandwidth is being utilized
>> and tested across the different configurations.
>
> No this is really the same as above. Your four channels in a 2xTwinRX setup
> are independently tunable.
>
> --M
>
>> Thank you in advance for your assistance.
>>
>> Best regards,
>> Olo.
>>
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