Communication Systems The maximum power output of a standard A earth station over the total band allocated to satellite communication is about 8 kW 50 kW 20 kW 0.5 kW 8 kW 50 kW 20 kW 0.5 kW ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In a FM receiver, amplitude limiter Eliminates any change in amplitude of received FM signals Reduces the amplitude of signals Amplifiers low frequency signals None of these Eliminates any change in amplitude of received FM signals Reduces the amplitude of signals Amplifiers low frequency signals None of these ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In EM waves, polarization Is due to transverse nature of waves Is caused by reflection Results from longitudinal nature of waves Is always vertical in an isotropic medium Is due to transverse nature of waves Is caused by reflection Results from longitudinal nature of waves Is always vertical in an isotropic medium ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A cordless telephone using separate frequencies for transmission in base and portable units is known as Neither A nor B Duplex arrangement Half duplex arrangement Either A or B Neither A nor B Duplex arrangement Half duplex arrangement Either A or B ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A telephone channel requires a bandwidth of about 3 kHz 10 kHz 1 kHz 50 kHz 3 kHz 10 kHz 1 kHz 50 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. 995 5 10 4.9 995 5 10 4.9 ANSWER DOWNLOAD EXAMIANS APP