What is dc component in data communication?
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TheDC componentwould be the constant voltage added to a pure AC waveform. For example, the true average voltage a pure AC waveform would be zero. When the AC waveform has aDC component, the average voltage
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No of signal levels: This refers to the number values allowed in a signal, known as signal levels, to representdata. ... DC component in a signal is not desirable because the DC component does not pass through some components of acommunication system such as a transformer
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