I'm writting a detailed blog post on using high sampling rates to transmit narrowband signals far away from the #LO. In these conditions filtering, aliasing and under runs are important subjects.
The benefit of modulating away from your LO is that you can reach further down or up from you LO limits.
In the case of the LimeSDR this allows to reach down to 0Hz.
The blog post will use #GNURadio to illustrate these effects.
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