Communication Systems Which of the following is a digital modulation technique? PCM DM PSK All PCM DM PSK All 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. Both A and R are correct but R is not correct explanation of A Both A and R are correct and R is correct explanation of A A is wrong but R is correct A is correct but R is wrong Both A and R are correct but R is not correct explanation of A Both A and R are correct and R is correct explanation of A A is wrong but R is correct A is correct but R is wrong ANSWER DOWNLOAD EXAMIANS APP
Communication Systems PAM stands for Phase Analogue Modulation Pulse Analogue Modulation Phase Amplitude Modulation Pulse Amplitude Modulation Phase Analogue Modulation Pulse Analogue Modulation Phase Amplitude Modulation Pulse Amplitude Modulation ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which of the following does not cause losses in optical fibre cables? Microbending Stepped index operation Impurities Attenuation in glass Microbending Stepped index operation Impurities Attenuation in glass ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In a FM receiver, amplitude limiter 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 None of these ANSWER DOWNLOAD EXAMIANS APP
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