Communication Systems In Pulse Code Modulation system Suffers from the disadvantage of its incompatibly with TDM Quantising noise can be overcome by companding Large bandwidth is required Quantising noise can be reduced by decreasing the number of standard levels Suffers from the disadvantage of its incompatibly with TDM Quantising noise can be overcome by companding Large bandwidth is required Quantising noise can be reduced by decreasing the number of standard levels ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In a TV receiver antenna the length of reflector rod Is more than that of dipole May be equal, more or less than that of dipole Is the same as that of dipole Is less than that of dipole Is more than that of dipole May be equal, more or less than that of dipole Is the same as that of dipole Is less than that of dipole ANSWER DOWNLOAD EXAMIANS APP
Communication Systems What is the purpose of peak clipper circuits in radio transmitters? To increase bandwidth To prevent overmodulation To regulate oscillator I/P voltage To reduce bandwidth To increase bandwidth To prevent overmodulation To regulate oscillator I/P voltage To reduce bandwidth ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For a plate-modulated class C amplifier the plate supply voltage is E. The maximum plate cathode voltage could be almost high as 2E 3E 4E 6E 2E 3E 4E 6E ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The disadvantage of FM over AM is that High modulating power is needed High output power is needed Large bandwidth is required Noise is very high for high frequency High modulating power is needed High output power is needed Large bandwidth is required Noise is very high for high frequency ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which of the following is an indirect way of generating FM? Varactor diode modulator Reactance bipolar transistor Reactance FET modulator Armstrong modulator Varactor diode modulator Reactance bipolar transistor Reactance FET modulator Armstrong modulator ANSWER DOWNLOAD EXAMIANS APP
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