Communication Systems One of the advantages of base modulation over collector modulation of a transistor class C amplifier is Better linearity Improved efficiency High power output per transistor The lower modulating power requirement Better linearity Improved efficiency High power output per transistor The lower modulating power requirement ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Under ordinary circumstances, impulse noise can be reduced in None of these AM only FM only Both AM and FM None of these AM only FM only Both AM and FM ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Skip distance depends on time of day and angle of incidence. False True False True ANSWER DOWNLOAD EXAMIANS APP
Communication Systems VSB modulation is preferred in TV because It avoids phase distortion at low frequencies It results in better reception It reduces the bandwidth requirement to half None of these It avoids phase distortion at low frequencies It results in better reception It reduces the bandwidth requirement to half None of these ANSWER DOWNLOAD EXAMIANS APP
Communication Systems As per Shannon-Hartley theorem, a noise less Gaussian channel has Infinite capacity None of these Zero capacity Small capacity Infinite capacity None of these Zero capacity Small capacity 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