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 For a low level AM system, the amplifiers modulated stage must be Harmonic devices Non-linear devices Class C amplifiers Linear devices Harmonic devices Non-linear devices Class C amplifiers Linear devices 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 0.5 kW 20 kW 8 kW 50 kW 0.5 kW 20 kW 8 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 Harmonic devices Class C amplifiers Non-linear devices Linear devices Harmonic devices Class C amplifiers Non-linear devices Linear devices ANSWER DOWNLOAD EXAMIANS APP
Communication Systems SSB can be generated by Good attenuation characteristics Phase cancellation method All of these Filter method Good attenuation characteristics Phase cancellation method All of these Filter method ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In a TV receiver antenna the length of reflector rod Is less than that of dipole Is more than that of dipole Is the same as that of dipole May be equal, more or less than that of dipole Is less than that of dipole Is more than that of dipole Is the same as that of dipole May be equal, more or less than that of dipole ANSWER DOWNLOAD EXAMIANS APP