Communication Systems A woofer should be fed from the input through a Low pass filter Band pass filter Band stop filter High pass filter Low pass filter Band pass filter Band stop filter High pass filter ANSWER DOWNLOAD EXAMIANS APP
Communication Systems VSB modulation is preferred in TV because 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 It avoids phase distortion at low frequencies None of these ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A modem is classified as low speed if data rate handled is Upto 100 bps Upto 400 bps Upto 250 bps Upto 600 bps Upto 100 bps Upto 400 bps Upto 250 bps Upto 600 bps ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In TV systems, equalising pulses are sent during Serrations Horizontal blanking Vertical blanking Horizontal retrace Serrations Horizontal blanking Vertical blanking Horizontal retrace ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For attenuation of high frequencies we should use Shunt capacitance Resistance Inductance Series capacitance Shunt capacitance Resistance Inductance Series capacitance ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which of the following is used to generate PDM? Monostable multi-vibrator Schmitt trigger Free running multi-vibrator JK flip-flop Monostable multi-vibrator Schmitt trigger Free running multi-vibrator JK flip-flop ANSWER DOWNLOAD EXAMIANS APP