Communication Systems Leak type bias is used in plate modulated class C amplifier to Prevent tuned circuit damping Prevent over modulation Prevent excessive grid current Increase the bandwidth Prevent tuned circuit damping Prevent over modulation Prevent excessive grid current Increase the bandwidth ANSWER DOWNLOAD EXAMIANS APP
Communication Systems When the length of antenna is a whole wavelength The radiation is zero in all directions The radiation at right angles is maximum The radiation is maximum in all directions The radiation at right angles is zero The radiation is zero in all directions The radiation at right angles is maximum The radiation is maximum in all directions The radiation at right angles is zero ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For a plate-modulated class C amplifier the plate supply voltage is E. The maximum plate cathode voltage could be almost high as 6E 4E 3E 2E 6E 4E 3E 2E 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 8 kW 50 kW 20 kW 0.5 kW 8 kW 50 kW 20 kW 0.5 kW ANSWER DOWNLOAD EXAMIANS APP
Communication Systems It is found that a ship to ship communication suffers from fading. This can be avoided by using Space diversity Directional antenna Broad band antenna Frequency diversity Space diversity Directional antenna Broad band antenna Frequency diversity ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The frequency range of 300 kHz to 3000 kHz is known as Very high frequency Medium frequency Low frequency High frequency Very high frequency Medium frequency Low frequency High frequency ANSWER DOWNLOAD EXAMIANS APP
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