Communication Systems The maximum power output of a standard A earth station over the total band allocated to satellite communication is about 50 kW 20 kW 0.5 kW 8 kW 50 kW 20 kW 0.5 kW 8 kW ANSWER DOWNLOAD EXAMIANS APP
Communication Systems PAM stands for Pulse Analogue Modulation Phase Amplitude Modulation Pulse Amplitude Modulation Phase Analogue Modulation Pulse Analogue Modulation Phase Amplitude Modulation Pulse Amplitude Modulation Phase Analogue Modulation ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For a low level AM system, the amplifiers modulated stage must be Harmonic devices Linear devices Class C amplifiers Non-linear devices Harmonic devices Linear devices Class C amplifiers Non-linear devices ANSWER DOWNLOAD EXAMIANS APP
Communication Systems If sampling is done at the rate of 10 kHz. The bandwidth required is 70 kHz 35 kHz 1280 kHz 10 kHz 70 kHz 35 kHz 1280 kHz 10 kHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which of the following is used to generate PDM? Free running multi-vibrator Schmitt trigger Monostable multi-vibrator JK flip-flop Free running multi-vibrator Schmitt trigger Monostable multi-vibrator JK flip-flop ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The disadvantage of FM over AM is that High output power is needed High modulating power is needed Large bandwidth is required Noise is very high for high frequency High output power is needed High modulating power is needed Large bandwidth is required Noise is very high for high frequency ANSWER DOWNLOAD EXAMIANS APP
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