Communication Systems A buffer amplifier is A high gain D.C. amplifier A cathode follower stage A double-tuned amplifier None of these A high gain D.C. amplifier A cathode follower stage A double-tuned amplifier None of these ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A zero mean white Gaussian noise is passed through an ideal low pass filter of bandwidth 10 kHz. The output of the samples so obtained would be Uncorrelated Statistically independent Correlated Orthogonal Uncorrelated Statistically independent Correlated Orthogonal 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 50 kW 8 kW 0.5 kW 20 kW 50 kW 8 kW 0.5 kW 20 kW ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For a plate-modulated class C amplifier the plate supply voltage is E. The maximum plate cathode voltage could be almost high as 4E 6E 3E 2E 4E 6E 3E 2E ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A woofer should be fed from the input through a Band pass filter High pass filter Band stop filter Low pass filter Band pass filter High pass filter Band stop filter Low pass filter ANSWER DOWNLOAD EXAMIANS APP
Communication Systems What is the purpose of peak clipper circuits in radio transmitters? To regulate oscillator I/P voltage To increase bandwidth To reduce bandwidth To prevent overmodulation To regulate oscillator I/P voltage To increase bandwidth To reduce bandwidth To prevent overmodulation ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS