State the various techniques used for analog modulation of a digital s

Question

State the various techniques used for analog modulation of a digital signal carrier. How are they used for continuous wave transmission and two tone modulation systems? State the advantages of two tone modulation system.

28 Jan 2026

Answer :

Word Count : 274

Analog modulation techniques used for transmitting a digital signal over a carrier involve varying a continuous sinusoidal carrier in accordance with discrete digital data. The principal techniques are Amplitude Shift Keying, Frequency Shift Keying, Phase Shift Keying, and its extension Quadrature Amplitude Modulation. In Amplitude ____ ________ ______ _____ ________ ______ _____ ____ _______ ____ ________ _______.
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