I have to acquire phase coherent data on multiple channels using USRP N310/320 devices.
Am I correct in assuming that for frequencies below 450 MHz, there is no way to remove random phase differences between channels due to the additional frequency shift involved (shown for example in the block diagram http://www.ettus.com/wp-content/uploads/2019/03/N320BlockDiagram.png)? As I understand it, by using the same LO signal for all channels I could remove the differences for frequencies above 450 MHz, but this is of no use for frequencies below 450 MHz due to this the additional stage.
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