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I conducted some measurements on the spectral analyzer with the FSK digital modulation and I was surprised to see that. I am trying to finish my thesis 😅 I am not very experienced with communications.
My question is: In FSK digital modulation why is OBW (Occupied Bandwidth) reduced while the data rate is increased? (the exact opposite happens with other digital modulations such as QPSK, 16-QAM etc which is justifiable to happen).
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