Questions
Modulation is not used to
a
reduce the band width
b
separate transmission of different areas
c
ensure that information may be transmitted to long distance
d
allow the uses of practical antennas
detailed solution
Correct option is A
The purpose of modulation is to impress the information on the carrier wave, which is used to carry the information to another location.Since each carrier occupies a different frequency, the channels do not interfere with each other. During modulation high frequency carrier waves are used which means the use of a practical antenna due to lower wavelength.Talk to our academic expert!
Similar Questions
If a carrier wave of amplitude 20 mV is modulated by an audio signal of amplitude 4mV, then amplitude of LSB (or)USB is given by
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