Communication Systems The main function of a balanced modulator is to Suppress carrier signal in order to create a single-sideband or double sideband Limit noise picked by a receiver Produce balanced modulation of a carrier wave Produce 100% modulation Suppress carrier signal in order to create a single-sideband or double sideband Limit noise picked by a receiver Produce balanced modulation of a carrier wave Produce 100% modulation ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which of the following is used to generate PDM? Free running multi-vibrator Schmitt trigger Monostable multi-vibrator JK flip-flop Free running multi-vibrator Schmitt trigger Monostable multi-vibrator JK flip-flop ANSWER DOWNLOAD EXAMIANS APP
Communication Systems FM transmitting and receiving equipment as compared to AM equipment is None of these Costly Almost equally costly Cheaper None of these Costly Almost equally costly Cheaper ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The frequency range of 300 kHz to 3000 kHz is known as High frequency Medium frequency Low frequency Very high frequency High frequency Medium frequency Low frequency Very high frequency ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The characteristic impedance of a twin wire feeder used for TV signals is about 500 ohm 300 ohm 1000 ohm 100 ohm 500 ohm 300 ohm 1000 ohm 100 ohm ANSWER DOWNLOAD EXAMIANS APP
Communication Systems SSB can be generated by All of these Phase cancellation method Good attenuation characteristics Filter method All of these Phase cancellation method Good attenuation characteristics Filter method ANSWER DOWNLOAD EXAMIANS APP