Communication Systems A telephone channel requires a bandwidth of about 10 kHz 3 kHz 1 kHz 50 kHz 10 kHz 3 kHz 1 kHz 50 kHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In case of low level amplitude modulation system, the amplifiers following the modulated stage must be Harmonic devices Class C amplifiers Non-linear devices Linear devices Harmonic devices Class C amplifiers Non-linear devices Linear devices ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which of the following is used to generate PDM? Monostable multi-vibrator Schmitt trigger JK flip-flop Free running multi-vibrator Monostable multi-vibrator Schmitt trigger JK flip-flop Free running multi-vibrator 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 Orthogonal Statistically independent Uncorrelated Correlated Orthogonal Statistically independent Uncorrelated ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which of the following does not cause losses in optical fibre cables? Stepped index operation Attenuation in glass Impurities Microbending Stepped index operation Attenuation in glass Impurities Microbending ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Commercial Frequency deviation of FM is 80 kHz 70 kHz 65 kHz 75 kHz 80 kHz 70 kHz 65 kHz 75 kHz ANSWER DOWNLOAD EXAMIANS APP
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