83) Arrange the following modulation systems in decreasing order of the bandwidth requirements.
A. Single Side Band
B. Double Side Band
C. Vestigial Side Band
D. Frequency Modulation
Choose the correct answer from the options given below
1. A, C, D, B [Option ID = 3161]
2. C, A, B, D [Option ID = 3162]
3. D, B, A, C [Option ID = 3163]
4. D, B, C, A [Option ID = 3164]
Answer: 4
Solution
AM & DSB --> 2*fm
FM & PM ---> 2fm(ฮฒ+1)
SSB ---> fm
ssB < VSB <DSB