Communication Systems In Pulse Code Modulation system Quantising noise can be reduced by decreasing the number of standard levels Large bandwidth is required Suffers from the disadvantage of its incompatibly with TDM Quantising noise can be overcome by companding Quantising noise can be reduced by decreasing the number of standard levels Large bandwidth is required Suffers from the disadvantage of its incompatibly with TDM Quantising noise can be overcome by companding ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Circular polarization Is useful in discrimination between reception of adjacent beams Is useful in reducing depolarization effect on received wave Involves critical alignment of transmitting and receiving antenna None of these Is useful in discrimination between reception of adjacent beams Is useful in reducing depolarization effect on received wave Involves critical alignment of transmitting and receiving antenna None of these ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For AM receivers the standard IF frequency is 10.7 MHz 455 kHz 1.07 MHz 106 kHz 10.7 MHz 455 kHz 1.07 MHz 106 kHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A three stage telephone switching structure is to have 128 input and 128 output terminals. There are 16 first stage and 16 third stage matrices. To avoid blocking the number of intermediate paths required is 15 16 8 1 15 16 8 1 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In a TV receiver antenna the length of reflector rod 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 Is less than that of dipole Is more than that of dipole Is the same as that of dipole ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In Modulation, “carrier” is Resultant wave Speech voltage to be transmitted Voltage with constant frequency, phase or amplitude Voltage for which frequency, phase or amplitude is varied Resultant wave Speech voltage to be transmitted Voltage with constant frequency, phase or amplitude Voltage for which frequency, phase or amplitude is varied ANSWER DOWNLOAD EXAMIANS APP
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