Not sure what you mean by "streaming IQ samples through RF cable".
But the external 10MHz reference steers ALL of the relevant clocks in
the device, including synthesizer reference clocks, ADC clocks, FPGA
clocks, etc.
On 2017-10-13 12:33, Benny Alexandar via USRP-users wrote:
> Hi,
>
> I'm using USRP B210 for streaming IQ data thru RF cable to my digital radio
> receiver. I want to use an external clock generator and feed the clock to
> B210. I see there are tow connector options to give external clock and PPS
> input. My requirement is to give an external clock and introduce ppm drift
> in IQ sampling rate. Do I know to give pps or just giving an external clock
> is enough ?
>
> If I introduce a drift an external clock generator will that change the
> sampling rate of IQ samples which I'm streaming thru RF cable ?
>
> -ben
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