Communication Systems The maximum power output of a standard A earth station over the total band allocated to satellite communication is about 0.5 kW 20 kW 50 kW 8 kW 0.5 kW 20 kW 50 kW 8 kW ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A modem is classified as low speed if data rate handled is Upto 100 bps Upto 400 bps Upto 250 bps Upto 600 bps Upto 100 bps Upto 400 bps Upto 250 bps Upto 600 bps ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which one of the following is analog? Differential PCM Delta modulation PCM PWM Differential PCM Delta modulation PCM PWM ANSWER DOWNLOAD EXAMIANS APP
Communication Systems When the length of antenna is a whole wavelength The radiation at right angles is maximum The radiation at right angles is zero The radiation is maximum in all directions The radiation is zero in all directions The radiation at right angles is maximum The radiation at right angles is zero The radiation is maximum in all directions The radiation is zero in all directions ANSWER DOWNLOAD EXAMIANS APP
Communication Systems One of the advantages of base modulation over collector modulation of a transistor class C amplifier is Better linearity Improved efficiency High power output per transistor The lower modulating power requirement Better linearity Improved efficiency High power output per transistor The lower modulating power requirement 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. 5 995 4.9 10 5 995 4.9 10 ANSWER DOWNLOAD EXAMIANS APP
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