modulation: Quick Facts

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Diagram comparing three digital signal modulation methods. It shows a binary digital signal and carrier wave, then illustrates amplitude-shift keying (ASK), frequency-shift keying (FSK), and phase-shift keying (PSK) by how each alters the analog wave to encode binary data.

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Topics

analogue signal modulation phase modulation digital signal modulation multiplexing frequency-shift keying phase-shift keying carrier multiplexing frequency-division multiplexing time-division multiplexing pulse-duration modulation loading data transmission

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