Communication Systems A telephone channel requires a bandwidth of about 3 kHz 50 kHz 10 kHz 1 kHz 3 kHz 50 kHz 10 kHz 1 kHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In Pulse Code Modulation system 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 Quantising noise can be overcome by companding ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The frequency range of 300 kHz to 3000 kHz is known as Low frequency High frequency Medium frequency Very high frequency Low frequency High frequency Medium frequency Very high frequency ANSWER DOWNLOAD EXAMIANS APP
Communication Systems When the length of antenna is a whole wavelength The radiation at right angles is zero The radiation at right angles is maximum The radiation is maximum in all directions The radiation is zero in all directions The radiation at right angles is zero The radiation at right angles is maximum The radiation is maximum in all directions The radiation is zero in all directions ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Circular polarization Is useful in reducing depolarization effect on received wave Involves critical alignment of transmitting and receiving antenna Is useful in discrimination between reception of adjacent beams None of these Is useful in reducing depolarization effect on received wave Involves critical alignment of transmitting and receiving antenna Is useful in discrimination between reception of adjacent beams None of these ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For attenuation of high frequencies we should use Resistance Inductance Series capacitance Shunt capacitance Resistance Inductance Series capacitance Shunt capacitance ANSWER DOWNLOAD EXAMIANS APP
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