Correct, the master clock rate must be one of those three values. Others
will have to weigh in on the specifics of set/get rx/tx rate.

On Fri, Mar 2, 2018 at 8:43 AM, Андрей 1 <andrew4...@rambler.ru> wrote:

> When I set the 200 MHz function to set_rx_rate and then I request
> get_rx_rate, then I get 100 MHz.
> What values can I set for master clock rate? Only those three values?
>
>
> 02.03.2018, 16:30, Daniel Jepson <daniel.jep...@ettus.com>
> Hi,
>
> The X300/X310 supports three Sampling Rates: 120MHz, 184.32MHz, and
> 200MHz. Your rate was most likely coerced to the most common rate of 200M.
> The FPGA then performs decimation and interpolation such that the host
> doesn't have to stream all that bandwidth (nor can it in most cases). The
> streaming rate called out in your screen shots is 10.0Msps.
>
> Does that answer your question?
>
> -Daniel
>
> On Fri, Mar 2, 2018 at 7:57 AM, Андрей 1 via USRP-users <
> usrp-users@lists.ettus.com> wrote:
>
> Hello
>
> When I open  device with uhd_usrp_make in the terminal I see a message
> "invalid sample rate 100 MHz actual rate is 200 MHz".The same message I see
> when running application from uhd samples folder.
> If I set sample rate 200 MHz and then read them from device I got 100 MHz.
>
> What does this mean and what is the maximum clock of the X300 in single
> and multichannel mode?
>
> See png for detail.
>
> Thank you
>
> _______________________________________________
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> USRP-users@lists.ettus.com <usrp-users@lists.ettus.com>
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>
>
>
>
> --
>
> Daniel Jepson
>
> Digital Hardware Engineer
>
> National Instruments
>
>
>
> O: +1.512.683.6163 <(512)%20683-6163>
>
> daniel.jep...@ni.com
>
>


-- 

Daniel Jepson

Digital Hardware Engineer

National Instruments



O: +1.512.683.6163

daniel.jep...@ni.com
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