Communication Systems A buffer amplifier is 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 A high gain D.C. amplifier 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 50 kW 20 kW 8 kW 0.5 kW 50 kW 20 kW 8 kW ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Circular polarization Involves critical alignment of transmitting and receiving antenna Is useful in reducing depolarization effect on received wave None of these Is useful in discrimination between reception of adjacent beams Involves critical alignment of transmitting and receiving antenna Is useful in reducing depolarization effect on received wave None of these Is useful in discrimination between reception of adjacent beams ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In Pulse Code Modulation system Quantising noise can be overcome by companding Suffers from the disadvantage of its incompatibly with TDM Large bandwidth is required Quantising noise can be reduced by decreasing the number of standard levels Quantising noise can be overcome by companding Suffers from the disadvantage of its incompatibly with TDM Large bandwidth is required Quantising noise can be reduced by decreasing the number of standard levels ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A cordless telephone using separate frequencies for transmission in base and portable units is known as Either A or B Half duplex arrangement Neither A nor B Duplex arrangement Either A or B Half duplex arrangement Neither A nor B Duplex arrangement ANSWER DOWNLOAD EXAMIANS APP
Communication Systems FM transmitting and receiving equipment as compared to AM equipment is Costly Cheaper None of these Almost equally costly Costly Cheaper None of these Almost equally costly ANSWER DOWNLOAD EXAMIANS APP
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