From Amplitude Modulation (AM) to Quadrature Amplitude Modulation (QAM)
This tutorial is an introductory but in-depth session to refresh your knowledge about the fundamentals of QAM and its advantages over heterodyne amplitude modulation (AM).
02:12 AM: Heterodyne Principle
04:31 QAM Principle
06:40 QAM Equations
08:31 First Geometrical Derivation of QAM Equations
10:59 Alternative Geometrical Derivation
13:17 Modulated Waveforms Examples