Communication Systems For a given carrier wave, maximum undistorted power is transmitted when value of modulation is 1 0.5 0.8 1 0.5 0.8 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For telegraphy the most commonly used modulation system is Two tone modulation FSK PCM Single tone modulation Two tone modulation FSK PCM Single tone modulation ANSWER DOWNLOAD EXAMIANS APP
Communication Systems As per Shannon-Hartley theorem, a noise less Gaussian channel has Zero capacity None of these Small capacity Infinite capacity Zero capacity None of these Small capacity Infinite capacity ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For a low level AM system, the amplifiers modulated stage must be Linear devices Class C amplifiers Harmonic devices Non-linear devices Linear devices Class C amplifiers Harmonic devices Non-linear devices ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In Pulse Code Modulation system Quantising noise can be overcome by companding Suffers from the disadvantage of its incompatibly with TDM Quantising noise can be reduced by decreasing the number of standard levels Large bandwidth is required Quantising noise can be overcome by companding Suffers from the disadvantage of its incompatibly with TDM Quantising noise can be reduced by decreasing the number of standard levels Large bandwidth is required ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In a FM receiver, amplitude limiter None of these Amplifiers low frequency signals Eliminates any change in amplitude of received FM signals Reduces the amplitude of signals None of these Amplifiers low frequency signals Eliminates any change in amplitude of received FM signals Reduces the amplitude of signals ANSWER DOWNLOAD EXAMIANS APP
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