Modulation Updated 2025-06-12 +Created 1970-01-01
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Modulation basically means encoding data on a carrier wave.
Image that we are at a point in history where spark-gap transmitters can send Morse code.
But now people want to send voice. How to do it?
It would not be practical without modulation: Why can't you send voice without modulation?
Figure 1.
AM vs FM
. Source.
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