Communication Systems Which one of the following is analog? Delta modulation PWM Differential PCM PCM Delta modulation PWM Differential PCM PCM ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A telephone channel requires a bandwidth of about 1 kHz 3 kHz 50 kHz 10 kHz 1 kHz 3 kHz 50 kHz 10 kHz 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. 4.9 10 5 995 4.9 10 5 995 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For AM receivers the standard IF frequency is 106 kHz 1.07 MHz 455 kHz 10.7 MHz 106 kHz 1.07 MHz 455 kHz 10.7 MHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In Pulse Code Modulation system Quantising noise can be reduced by decreasing the number of standard levels Large bandwidth is required Suffers from the disadvantage of its incompatibly with TDM Quantising noise can be overcome by companding Quantising noise can be reduced by decreasing the number of standard levels Large bandwidth is required Suffers from the disadvantage of its incompatibly with TDM Quantising noise can be overcome by companding ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The disadvantage of FM over AM is that 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 High output power is needed High modulating power is needed Noise is very high for high frequency ANSWER DOWNLOAD EXAMIANS APP
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