Hi, I have some experience working with E310 and B210 and one of the bottlenecks for my application is the frequency tuning/hopping time of AD9361. I understand that N320 has the ability to use an external reference oscillator but I am not sure what this actually entails.
Does this mean that the LO used in the homodyne IQ receiver architecture is no longer generated by the PLL but is directly supplied by the external reference? If so, does this mean that I can sweep the frequencies as fast as I can generate LO frequencies in a similar fashion to a swept spectrum analyzer? Is external LO mode useful for spectrum sensing/frequency hopping applications or is it mostly used for applications that requires phase coherence? Also are there any UHD examples or tutorials depicting how to build tune_request objects under 'external LO' mode? Best, Temir
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