Adding to Neel's comment, while you have only one RF LO to support each
pair of channels, you can move the center frequency of one relative to the
other using digital tuning within the 125 MHz digital bandwidth.  So, if
your signal bandwidth is say 10 MHz, you could digitally tune one of them
to -50MHz and the other to +50MHz such that the signal center frequencies
were 100 MHz apart.

On Wed, Sep 14, 2022 at 8:42 PM Neel Pandeya <neel.pand...@ettus.com> wrote:

> Further clarification.  The N310 has four channels, where the AD9371
> provides two channels on each of the two daughterboards.  So what I
> mentioned a moment ago applies to each of the two N310 daughterboards.  So,
> on one daughterboard, you cannot independently tune, but across the two
> N310 daughterboards, you can independently tune.
>
> I hope that clarifies, and doesn't add more confusion.  Please let me know
> if you have any further questions.
>
> --Neel Pandeya
> +1-512-683-6408
>
>
>
> On Wed, 14 Sept 2022 at 19:36, Neel Pandeya <neel.pand...@ettus.com>
> wrote:
>
>> Hello Richard Bell:
>>
>> The issue here is that the AD9371 on the N300/N310 has the same
>> limitation as with the AD9361 on the USRP B200/B210, where the LO is shared
>> between the two Tx channels, and between the two Rx channels.  So it is not
>> possible to independently tune between the two Tx channels, or between the
>> two Rx channels.
>>
>> --Neel Pandeya
>>
>>
>>
>> On Wed, 14 Sept 2022 at 16:29, Richard Bell <richard.be...@gmail.com>
>> wrote:
>>
>>> Hi Eduard,
>>>
>>> Yes that was my mistake. I am talking about the N310 family.
>>>
>>> Richard
>>>
>>> On Wed, Sep 14, 2022 at 1:13 AM <eduard.sivole...@ni.com> wrote:
>>>
>>>> Hello Richard,
>>>>
>>>> In the title, you mentioned N310. However, the description is about
>>>> E310.
>>>>
>>>> Could you please clarify the USRP family, i.e. N or E?
>>>>
>>>>
>>>> Thanks,
>>>>
>>>> Eduard
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