Communication Systems In practical commercial FM system, channel bandwidth is 88 MHz 108 MHz 100 kHz 150 kHz 88 MHz 108 MHz 100 kHz 150 kHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A cordless telephone using separate frequencies for transmission in base and portable units is known as Duplex arrangement Neither A nor B Half duplex arrangement Either A or B Duplex arrangement Neither A nor B Half duplex arrangement Either A or B ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In Modulation, “carrier” is Voltage for which frequency, phase or amplitude is varied Speech voltage to be transmitted Resultant wave Voltage with constant frequency, phase or amplitude Voltage for which frequency, phase or amplitude is varied Speech voltage to be transmitted Resultant wave Voltage with constant frequency, phase or amplitude ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In a FM receiver, amplitude limiter Reduces the amplitude of signals Eliminates any change in amplitude of received FM signals Amplifiers low frequency signals None of these Reduces the amplitude of signals Eliminates any change in amplitude of received FM signals Amplifiers low frequency signals None of these 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 Uncorrelated Orthogonal Statistically independent Correlated Uncorrelated Orthogonal Statistically independent Correlated 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 less than that of dipole Is more than that of dipole Is the same as that of dipole May be equal, more or less than that of dipole Is less than that of dipole Is more than that of dipole Is the same as that of dipole ANSWER DOWNLOAD EXAMIANS APP
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