Communication Systems A woofer should be fed from the input through a Band stop filter Band pass filter Low pass filter High pass filter Band stop filter Band pass filter Low pass filter High pass filter ANSWER DOWNLOAD EXAMIANS APP
Communication Systems An audio signal (say from 50 Hz to 10000 Hz) is frequency translated by a carrier having a frequency of 106 Hz. The values of initial (without frequency translation) and final (after frequency translation) fractional change in frequency from one band edge to the other are 200 and 1.01 200 and 200 200 and 100.1 200 and 10.01 200 and 1.01 200 and 200 200 and 100.1 200 and 10.01 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems When the length of antenna is a whole wavelength The radiation at right angles is zero The radiation is zero in all directions The radiation is maximum in all directions The radiation at right angles is maximum The radiation at right angles is zero The radiation is zero in all directions The radiation is maximum in all directions The radiation at right angles is maximum 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 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 Orthogonal Uncorrelated Correlated Statistically independent Orthogonal Uncorrelated Correlated Statistically independent ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A telephone channel requires a bandwidth of about 1 kHz 50 kHz 10 kHz 3 kHz 1 kHz 50 kHz 10 kHz 3 kHz ANSWER DOWNLOAD EXAMIANS APP