IQ Modulation Part Two

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Here we talk about how to make a IQ modulator. using a pc wave file and a vector signal generator. demo to show up shortly stay tuned.
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But hey ! In your last iq modulation video you have the 2 final spectrums added together and then sent out to an antenna. So why would I ever get 2 output spectrums ? Are these lower and upper sidebands ? Why do they get added together ?

phillipneal
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what you keep repeating is the very characteristic of a local oscillator (modulation); it is not just magic of IQ technique. very confusing...

TekCroach