Communication Systems Which one of the following is analog? PWM PCM Delta modulation Differential PCM PWM PCM Delta modulation Differential PCM ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For a low level AM system, the amplifiers modulated stage must be Linear devices Non-linear devices Harmonic devices Class C amplifiers Linear devices Non-linear devices Harmonic devices Class C amplifiers ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In TV systems, equalising pulses are sent during Vertical blanking Horizontal blanking Horizontal retrace Serrations Vertical blanking Horizontal blanking Horizontal retrace Serrations ANSWER DOWNLOAD EXAMIANS APP
Communication Systems SSB can be generated by Filter method Good attenuation characteristics Phase cancellation method All of these Filter method Good attenuation characteristics Phase cancellation method All of these ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In a FM receiver, amplitude limiter None of these Reduces the amplitude of signals Amplifiers low frequency signals Eliminates any change in amplitude of received FM signals None of these Reduces the amplitude of signals Amplifiers low frequency signals Eliminates any change in amplitude of received FM signals ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Assertion (A): In FM the frequency of the carrier is varied by the modulating voltageReason (R): FM and PM are two forms of angle modulation. A is wrong but R is correct A is correct but R is wrong Both A and R are correct and R is correct explanation of A Both A and R are correct but R is not correct explanation of A A is wrong but R is correct A is correct but R is wrong Both A and R are correct and R is correct explanation of A Both A and R are correct but R is not correct explanation of A ANSWER DOWNLOAD EXAMIANS APP
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