Hi Pablo,
short answer: Because radio is hard, you need to do corrections before
you actually have your signal where you want it, e.g. at 0Hz.
long answer: The USRPs have mixers, yes. But you can't tell such a
device just to "tune to that e.g. GSM channel"; this will not work due
to frequency off
Hello,
If UHD source acts as a mixer, why some examples (like usrp_rx_hrpt) use
baseband information as the input of a PLL?
Thank you in advance
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