Communication Systems If output power of a radio receiver is doubled, its volume is increased by __________ dB. 3 -3 1 2 3 -3 1 2 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Under ordinary circumstances, impulse noise can be reduced in None of these AM only Both AM and FM FM only None of these AM only Both AM and FM FM only ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In Pulse Code Modulation system 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 Suffers from the disadvantage of its incompatibly with TDM Large bandwidth is required ANSWER DOWNLOAD EXAMIANS APP
Communication Systems One of the advantages of base modulation over collector modulation of a transistor class C amplifier is High power output per transistor Improved efficiency Better linearity The lower modulating power requirement High power output per transistor Improved efficiency Better linearity The lower modulating power requirement ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For a given carrier wave, maximum undistorted power is transmitted when value of modulation is 0.5 1 0.8 0.5 1 0.8 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 6E 2E 4E 3E 6E 2E 4E 3E ANSWER DOWNLOAD EXAMIANS APP
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