Communication Systems The disadvantage of FM over AM is that High modulating power is needed Large bandwidth is required Noise is very high for high frequency High output power is needed High modulating power is needed Large bandwidth is required Noise is very high for high frequency High output power is needed ANSWER DOWNLOAD EXAMIANS APP
Communication Systems SSB can be generated by Phase cancellation method All of these Good attenuation characteristics Filter method Phase cancellation method All of these Good attenuation characteristics Filter method ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A zero mean white Gaussian noise is passed through an ideal low pass filter of bandwidth 10 kHz. The output of the samples so obtained would be Correlated Statistically independent Orthogonal Uncorrelated Correlated Statistically independent Orthogonal Uncorrelated ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Circular polarization None of these Is useful in discrimination between reception of adjacent beams Involves critical alignment of transmitting and receiving antenna Is useful in reducing depolarization effect on received wave None of these Is useful in discrimination between reception of adjacent beams Involves critical alignment of transmitting and receiving antenna Is useful in reducing depolarization effect on received wave ANSWER DOWNLOAD EXAMIANS APP
Communication Systems If in a broadcasting studio, a 1000 kHz carrier is modulated by an audio signal of frequency range 100-5000 kHz, the width of channel is __________ kHz. 995 10 5 4.9 995 10 5 4.9 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems To eliminate ghosts in the picture Twist the transmission line Change the antenna orientation of location Connect a booster Use a longer transmission line Twist the transmission line Change the antenna orientation of location Connect a booster Use a longer transmission line ANSWER DOWNLOAD EXAMIANS APP
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