Question
Download Solution PDFWhich one of the following scheme is a digital modulation technique ?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFAll given options are digital modulation schemes but the most appropriate option amongst them is ON-OFF keying which is also known as ASK.
Amplitude-shift keying (ASK) is a form of amplitude modulation that represents digital data as variations in the amplitude of a carrier wave.
we can understand it by the given diagram
Important Points
Analog Modulation:
In this scheme, input needs to be in analog (continuous format)
Digital modulation:
In this scheme, input needs to be in digital format.
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