Need for modulation and Bandwidth requirement in SSB-SC AM wave

Q.  Modulation is required for
- Published on 13 Oct 15

a. Reducing noise while transmission
b. Multiplexing the signals
c. Reduction of Antenna height
d. Reduction in the complexity of circuitry
e. All of the above

ANSWER: All of the above
 
Modulation is required as with modulation, the signal is transmitted at higher frequency that reduces the probability of addition of noise while transmission and reduces the height of antenna at the transmitter. With modulation, there is reduction in the complexity of circuitry and more signals may be transmitted using multiplexing technique.

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