Communication Systems The maximum power output of a standard A earth station over the total band allocated to satellite communication is about 50 kW 8 kW 0.5 kW 20 kW 50 kW 8 kW 0.5 kW 20 kW ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In case of low level amplitude modulation system, the amplifiers following the modulated stage must be Linear devices Non-linear devices Class C amplifiers Harmonic devices Linear devices Non-linear devices Class C amplifiers Harmonic devices ANSWER DOWNLOAD EXAMIANS APP
Communication Systems As per Shannon-Hartley theorem, a noise less Gaussian channel has Zero capacity Small capacity Infinite capacity None of these Zero capacity Small capacity Infinite capacity None of these ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The direction of rotation of a CD is Clockwise or anticlockwise depending on frequency of data stored Anticlockwise Mostly anticlockwise but some times clockwise Clockwise Clockwise or anticlockwise depending on frequency of data stored Anticlockwise Mostly anticlockwise but some times clockwise Clockwise ANSWER DOWNLOAD EXAMIANS APP
Communication Systems SSB can be generated by Good attenuation characteristics Filter method All of these Phase cancellation method Good attenuation characteristics Filter method All of these Phase cancellation method ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which of the following is an indirect way of generating FM? Reactance bipolar transistor Varactor diode modulator Reactance FET modulator Armstrong modulator Reactance bipolar transistor Varactor diode modulator Reactance FET modulator Armstrong modulator ANSWER DOWNLOAD EXAMIANS APP
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