Communication Systems For a low level AM system, the amplifiers modulated stage must be Class C amplifiers Harmonic devices Non-linear devices Linear devices Class C amplifiers Harmonic devices Non-linear devices Linear devices 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 Orthogonal Uncorrelated Statistically independent Correlated Orthogonal Uncorrelated Statistically independent Correlated ANSWER DOWNLOAD EXAMIANS APP
Communication Systems FM transmitting and receiving equipment as compared to AM equipment is Cheaper None of these Almost equally costly Costly Cheaper None of these Almost equally costly Costly 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 5 4.9 10 995 5 4.9 10 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In TV systems, equalising pulses are sent during Horizontal blanking Serrations Horizontal retrace Vertical blanking Horizontal blanking Serrations Horizontal retrace Vertical blanking ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A telephone channel requires a bandwidth of about 1 kHz 50 kHz 3 kHz 10 kHz 1 kHz 50 kHz 3 kHz 10 kHz ANSWER DOWNLOAD EXAMIANS APP
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