Communication Systems SSB can be generated by Phase cancellation method Filter method Good attenuation characteristics All of these Phase cancellation method Filter method Good attenuation characteristics All of these ANSWER DOWNLOAD EXAMIANS APP
Communication Systems What is the purpose of peak clipper circuits in radio transmitters? To prevent overmodulation To reduce bandwidth To regulate oscillator I/P voltage To increase bandwidth To prevent overmodulation To reduce bandwidth To regulate oscillator I/P voltage To increase bandwidth ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For a given carrier wave, maximum undistorted power is transmitted when value of modulation is 0.5 0.8 1 0.5 0.8 1 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 DVD uses 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 Laser beam for both recording and playback Laser beam for recording and video head for playback ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which of the following does not cause losses in optical fibre cables? Attenuation in glass Impurities Microbending Stepped index operation Attenuation in glass Impurities Microbending Stepped index operation ANSWER DOWNLOAD EXAMIANS APP
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