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 output power of a radio receiver is doubled, its volume is increased by __________ dB. 1 3 2 -3 1 3 2 -3 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The maximum power output of a standard A earth station over the total band allocated to satellite communication is about 8 kW 20 kW 0.5 kW 50 kW 8 kW 20 kW 0.5 kW 50 kW ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In case of low level amplitude modulation system, the amplifiers following the modulated stage must be Class C amplifiers Linear devices Harmonic devices Non-linear devices Class C amplifiers Linear devices Harmonic devices Non-linear devices ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which one of the following is analog? Differential PCM PWM Delta modulation PCM Differential PCM PWM Delta modulation PCM ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A woofer should be fed from the input through a Band pass filter Low pass filter Band stop filter High pass filter Band pass filter Low pass filter Band stop filter High pass filter ANSWER DOWNLOAD EXAMIANS APP
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