Communication Systems Under ordinary circumstances, impulse noise can be reduced in FM only AM only Both AM and FM None of these FM only AM only Both AM and FM None of these ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A zero mean white Gaussian noise is passed through an ideal low pass filter of bandwidth 10 kHz. The output of the samples so obtained would be Statistically independent Correlated Orthogonal Uncorrelated Statistically independent Correlated Orthogonal Uncorrelated ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For a low level AM system, the amplifiers modulated stage must be Non-linear devices Harmonic devices Linear devices Class C amplifiers Non-linear devices Harmonic devices Linear devices Class C amplifiers ANSWER DOWNLOAD EXAMIANS APP
Communication Systems VSB modulation is preferred in TV because It reduces the bandwidth requirement to half It avoids phase distortion at low frequencies None of these It results in better reception It reduces the bandwidth requirement to half It avoids phase distortion at low frequencies None of these It results in better reception ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A cordless telephone using separate frequencies for transmission in base and portable units is known as Half duplex arrangement Duplex arrangement Either A or B Neither A nor B Half duplex arrangement Duplex arrangement Either A or B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Communication Systems PAM stands for Phase Analogue Modulation Pulse Amplitude Modulation Phase Amplitude Modulation Pulse Analogue Modulation Phase Analogue Modulation Pulse Amplitude Modulation Phase Amplitude Modulation Pulse Analogue Modulation ANSWER DOWNLOAD EXAMIANS APP
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