Communication Systems The disadvantage of FM over AM is that High modulating power is needed High output power is needed Noise is very high for high frequency Large bandwidth is required High modulating power is needed High output power is needed Noise is very high for high frequency Large bandwidth is required ANSWER DOWNLOAD EXAMIANS APP
Communication Systems VSB modulation is preferred in TV because It avoids phase distortion at low frequencies It results in better reception It reduces the bandwidth requirement to half None of these It avoids phase distortion at low frequencies It results in better reception It reduces the bandwidth requirement to half None of these ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which one of the following is analog? Delta modulation Differential PCM PWM PCM Delta modulation Differential PCM PWM PCM ANSWER DOWNLOAD EXAMIANS APP
Communication Systems As per Shannon-Hartley theorem, a noise less Gaussian channel has Small capacity None of these Infinite capacity Zero capacity Small capacity None of these Infinite capacity Zero capacity ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In a TV receiver antenna the length of reflector rod May be equal, more or less than that of dipole Is the same as that of dipole Is less than that of dipole Is more than that of dipole May be equal, more or less than that of dipole Is the same as that of dipole Is less than that of dipole Is more than that of dipole ANSWER DOWNLOAD EXAMIANS APP
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