vimwiki/tech/Modulation.wiki

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= Modulation =
Modulation is the altering of a carrier signal to add infomration. This is done
in everything from raido, to Ethernet.
== Bandwidth ==
Bandwidth is the amount of frequencies that a signal occupies. For example, the
Human voice can make frequencies from 300Hz to 3000Hz, therefore having a
bandwidth of 3000 - 300 = 2700Hz.