If mt is modulation index of FM. What is the value of ratio $$\frac{{{{\left( {\frac{{\text{S}}}{{\text{N}}}} \right)}_{{\text{WBFM}}}}}}{{{{\left( {\frac{{\text{S}}}{{\text{N}}}} \right)}_{{\text{AM}}}}}}$$ for 100% amplitude modulation with identical total transmitted power?
A. $$\frac{9}{2}{\text{m}}_{\text{f}}^2$$
B. $$\frac{3}{2}{\text{m}}_{\text{f}}^2$$
C. $$\frac{3}{2}{\text{m}}_{\text{f}}^3$$
D. $$\frac{9}{2}{\text{m}}_{\text{f}}^3$$
Answer: Option A
Related Questions on Communication Systems
It is found that a ship to ship communication suffers from fading. This can be avoided by using
A. Space diversity
B. Frequency diversity
C. Broad band antenna
D. Directional antenna
A. A double-tuned amplifier
B. A high gain D.C. amplifier
C. A cathode follower stage
D. None of the above
A. Filter method
B. Phase cancellation method
C. Good attenuation characteristics
D. All of the above

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