Communication Systems The maximum power output of a standard A earth station over the total band allocated to satellite communication is about 20 kW 8 kW 50 kW 0.5 kW 20 kW 8 kW 50 kW 0.5 kW 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 In EM waves, polarization 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 Is due to transverse nature of waves Is caused by reflection ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The modulation index of an FM is changed from 0 to 1. How does the transmitted power change? Gets halved Remains unchanged Gets increased by 50 percent Gets doubled Gets halved Remains unchanged Gets increased by 50 percent Gets doubled ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which of the following is a digital modulation technique? PSK DM All PCM PSK DM All PCM ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Full duplex operation permits transmission in both directions at the same time. False True False True ANSWER DOWNLOAD EXAMIANS APP
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