Hi Anthony: Check out this link. The author is using a Pluto but he developed a flowgraph to transmit a vector that represents Morse code. Pretty well-explained. The ideas you need are likely in there.
Kevin > On Jul 2, 2020, at 8:40 AM, Anthony B. <[email protected]> wrote: > > Hello all, > > I am trying to build a very simple FM Transmitter using a flowgraph as a > reference. The principle is the following : > Signal source of 48 kHz Sample Rate > Rational Resampler up to 360 kHz > Sample Rate > Add Constant 1 > VCO at 360 kHz with a carrier frequency at 120 > kHz. > > What I am trying to do right now is to replace the signal source with a > vector of bits coming from another application to then modulate it with FM. > I've seen many examples of this kind of transmitter with audio input, but I > don't understand how to pass it a vector of bits and to get the expected > result. > Is there something I should consider before going to the VCO ? Is the > principle only working with periodic signals as input ? > > Thanks for your help! > > Anthony
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