Communication Systems Which of the following is an indirect way of generating FM? Armstrong modulator Reactance bipolar transistor Varactor diode modulator Reactance FET modulator Armstrong modulator Reactance bipolar transistor Varactor diode modulator Reactance FET modulator 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 20 kW 0.5 kW 8 kW 50 kW 20 kW 0.5 kW 8 kW 50 kW ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Circular polarization Is useful in discrimination between reception of adjacent beams Involves critical alignment of transmitting and receiving antenna None of these Is useful in reducing depolarization effect on received wave Is useful in discrimination between reception of adjacent beams Involves critical alignment of transmitting and receiving antenna None of these Is useful in reducing depolarization effect on received wave ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Assertion (A): In FM the frequency of the carrier is varied by the modulating voltageReason (R): FM and PM are two forms of angle modulation. Both A and R are correct but R is not correct explanation of A Both A and R are correct and R is correct explanation of A A is correct but R is wrong A is wrong but R is correct Both A and R are correct but R is not correct explanation of A Both A and R are correct and R is correct explanation of A A is correct but R is wrong A is wrong but R is correct ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A woofer should be fed from the input through a Low pass filter Band stop filter Band pass filter High pass filter Low pass filter Band stop filter Band pass filter High pass filter ANSWER DOWNLOAD EXAMIANS APP
Communication Systems To eliminate ghosts in the picture Twist the transmission line Use a longer transmission line Change the antenna orientation of location Connect a booster Twist the transmission line Use a longer transmission line Change the antenna orientation of location Connect a booster ANSWER DOWNLOAD EXAMIANS APP
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