Communication Systems VSB modulation is preferred in TV because It avoids phase distortion at low frequencies None of these It reduces the bandwidth requirement to half It results in better reception It avoids phase distortion at low frequencies None of these It reduces the bandwidth requirement to half It results in better reception ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which of the following is a digital modulation technique? DM All PSK PCM DM All PSK PCM ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Commercial Frequency deviation of FM is 65 kHz 70 kHz 80 kHz 75 kHz 65 kHz 70 kHz 80 kHz 75 kHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For attenuation of high frequencies we should use Inductance Shunt capacitance Series capacitance Resistance Inductance Shunt capacitance Series capacitance Resistance ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For a low level AM system, the amplifiers modulated stage must be Linear devices Non-linear devices Class C amplifiers Harmonic devices Linear devices Non-linear devices Class C amplifiers Harmonic devices ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A modem is classified as low speed if data rate handled is Upto 600 bps Upto 250 bps Upto 400 bps Upto 100 bps Upto 600 bps Upto 250 bps Upto 400 bps Upto 100 bps ANSWER DOWNLOAD EXAMIANS APP