Communication Systems Which of the following is a digital modulation technique? PSK PCM DM All PSK PCM DM 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. A is wrong but R is correct Both A and R are correct but R is not correct explanation of A A is correct but R is wrong Both A and R are correct and R is correct explanation of A A is wrong but R is correct Both A and R are correct but R is not correct explanation of A A is correct but R is wrong Both A and R are correct and R is correct explanation of A ANSWER DOWNLOAD EXAMIANS APP
Communication Systems PAM stands for Pulse Analogue Modulation Phase Analogue Modulation Phase Amplitude Modulation Pulse Amplitude Modulation Pulse Analogue Modulation Phase 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? Attenuation in glass Stepped index operation Microbending Impurities Attenuation in glass Stepped index operation Microbending Impurities ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In a FM receiver, amplitude limiter 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 Amplifiers low frequency signals ANSWER DOWNLOAD EXAMIANS APP
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