In case of frequency modulation, modulating voltage remains constant if the modulating frequency is lowered, then
A. Amplitude of distant sidebands decreases
B. Amplitude of distant sidebands increases
C. Amplitude of distant sidebands remains constant
D. Amplitude of distant sidebands first increases, then decreases
Answer: Option B
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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