Communication Systems In Pulse Code Modulation system Suffers from the disadvantage of its incompatibly with TDM Large bandwidth is required Quantising noise can be overcome by companding Quantising noise can be reduced by decreasing the number of standard levels Suffers from the disadvantage of its incompatibly with TDM Large bandwidth is required Quantising noise can be overcome by companding Quantising noise can be reduced by decreasing the number of standard levels ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A buffer amplifier is None of these A cathode follower stage A double-tuned amplifier A high gain D.C. amplifier None of these A cathode follower stage A double-tuned amplifier A high gain D.C. amplifier ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Leak type bias is used in plate modulated class C amplifier to Prevent over modulation Increase the bandwidth Prevent tuned circuit damping Prevent excessive grid current Prevent over modulation Increase the bandwidth Prevent tuned circuit damping Prevent excessive grid current ANSWER DOWNLOAD EXAMIANS APP
Communication Systems If in a broadcasting studio, a 1000 kHz carrier is modulated by an audio signal of frequency range 100-5000 kHz, the width of channel is __________ kHz. 995 5 4.9 10 995 5 4.9 10 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For attenuation of high frequencies we should use Inductance Series capacitance Resistance Shunt capacitance Inductance Series capacitance Resistance Shunt capacitance 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 8 kW 50 kW 20 kW 0.5 kW 8 kW 50 kW 20 kW ANSWER DOWNLOAD EXAMIANS APP