Communication Systems For a given carrier wave, maximum undistorted power is transmitted when value of modulation is 0.8 0.5 1 0.8 0.5 1 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems It is found that a ship to ship communication suffers from fading. This can be avoided by using Frequency diversity Broad band antenna Directional antenna Space diversity Frequency diversity Broad band antenna Directional antenna Space diversity ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In Pulse Code Modulation system 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 Quantising noise can be overcome by companding Large bandwidth is required ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In a FM receiver, amplitude limiter None of these Reduces the amplitude of signals Amplifiers low frequency signals Eliminates any change in amplitude of received FM signals None of these Reduces the amplitude of signals Amplifiers low frequency signals Eliminates any change in amplitude of received FM signals ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In EM waves, polarization Is always vertical in an isotropic medium Is caused by reflection Is due to transverse nature of waves Results from longitudinal nature of waves Is always vertical in an isotropic medium Is caused by reflection Is due to transverse nature of waves Results from longitudinal nature of waves ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A buffer amplifier is None of these A high gain D.C. amplifier A cathode follower stage A double-tuned amplifier None of these A high gain D.C. amplifier A cathode follower stage A double-tuned amplifier ANSWER DOWNLOAD EXAMIANS APP
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