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