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