Communication Systems What is the purpose of peak clipper circuits in radio transmitters? To reduce bandwidth To prevent overmodulation To regulate oscillator I/P voltage To increase bandwidth To reduce bandwidth To prevent overmodulation To regulate oscillator I/P voltage To increase bandwidth ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The disadvantage of FM over AM is that High modulating power is needed Large bandwidth is required High output power is needed Noise is very high for high frequency High modulating power is needed Large bandwidth is required High output power is needed Noise is very high for high frequency ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A woofer should be fed from the input through a Band pass filter Band stop filter High pass filter Low pass filter Band pass filter Band stop filter High pass filter Low pass filter ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The maximum power output of a standard A earth station over the total band allocated to satellite communication is about 20 kW 50 kW 0.5 kW 8 kW 20 kW 50 kW 0.5 kW 8 kW ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In Pulse Code Modulation system Quantising noise can be overcome by companding Large bandwidth is required Quantising noise can be reduced by decreasing the number of standard levels Suffers from the disadvantage of its incompatibly with TDM Quantising noise can be overcome by companding Large bandwidth is required Quantising noise can be reduced by decreasing the number of standard levels Suffers from the disadvantage of its incompatibly with TDM ANSWER DOWNLOAD EXAMIANS APP
Communication Systems DVD uses Laser beam for both recording and playback Laser beam for recording and video head for playback None of these Video head for recording and laser beam for playback Laser beam for both recording and playback Laser beam for recording and video head for playback None of these Video head for recording and laser beam for playback ANSWER DOWNLOAD EXAMIANS APP
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