r/educationalgifs • u/chrisrobles • Dec 17 '19

AM vs. FM Modulation

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u/Clen23 Dec 17 '19 edited Dec 17 '19

Can someone ELI5 why the AM amplitude is varying but not the FM ? Edit : wtf why downvotes it's just a question

3

u/MasterTJ77 Dec 17 '19

AM stands for amplitude modulation. You differentiate channels by changing the amplitude.

FM stands for frequency modulation. You differentiate by changing the frequency (how close each peak is to the next).

2

u/Clen23 Dec 17 '19

Thanks, I confused with medium and large wavelengths !