Managing Modulation and Demodulation (.PDF Download)

March 9, 2017

Modulation and demodulation provide the means to transfer information over great distances. As noted in the first part of this article (see “Basics of Modulation and Demodulation”), analog forms of modulation and demodulation have been around since the early days of radio. Analog approaches directly encode information from changes in a transmitted signal’s amplitude, phase, or frequency. Digital modulation and demodulation methods, on the other hand, use the changes in amplitude, phase, and frequency to convey digital bits representing the information to be communicated...

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