The Foster-Seeley discriminator responds to the input FM signal's
A. amplitude variations only
B. amplitude as well as frequency variations
C. frequency variations only
D. variations neither in amplitude nor in frequency
Answer: Option B
A. amplitude variations only
B. amplitude as well as frequency variations
C. frequency variations only
D. variations neither in amplitude nor in frequency
Answer: Option B
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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