Communication Systems Circular polarization None of these Is useful in discrimination between reception of adjacent beams Involves critical alignment of transmitting and receiving antenna Is useful in reducing depolarization effect on received wave None of these Is useful in discrimination between reception of adjacent beams Involves critical alignment of transmitting and receiving antenna Is useful in reducing depolarization effect on received wave ANSWER DOWNLOAD EXAMIANS APP
Communication Systems PAM stands for Pulse Amplitude Modulation Phase Analogue Modulation Phase Amplitude Modulation Pulse Analogue Modulation Pulse Amplitude Modulation Phase Analogue Modulation Phase Amplitude Modulation Pulse Analogue Modulation ANSWER DOWNLOAD EXAMIANS APP
Communication Systems One of the advantages of base modulation over collector modulation of a transistor class C amplifier is The lower modulating power requirement Improved efficiency High power output per transistor Better linearity The lower modulating power requirement Improved efficiency High power output per transistor Better linearity ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A telephone channel requires a bandwidth of about 50 kHz 1 kHz 10 kHz 3 kHz 50 kHz 1 kHz 10 kHz 3 kHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A cordless telephone using separate frequencies for transmission in base and portable units is known as Duplex arrangement Either A or B Half duplex arrangement Neither A nor B Duplex arrangement Either A or B Half duplex arrangement Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The maximum power output of a standard A earth station over the total band allocated to satellite communication is about 50 kW 20 kW 0.5 kW 8 kW 50 kW 20 kW 0.5 kW 8 kW ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS