Communication Systems One of the advantages of base modulation over collector modulation of a transistor class C amplifier is Better linearity High power output per transistor The lower modulating power requirement Improved efficiency Better linearity High power output per transistor The lower modulating power requirement Improved efficiency 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 A woofer should be fed from the input through a Band stop filter Low pass filter High pass filter Band pass filter Band stop filter Low pass filter High pass filter Band pass filter 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 0.5 kW 20 kW 8 kW 50 kW 0.5 kW 20 kW 8 kW ANSWER DOWNLOAD EXAMIANS APP
Communication Systems What is the purpose of peak clipper circuits in radio transmitters? To prevent overmodulation To increase bandwidth To reduce bandwidth To regulate oscillator I/P voltage To prevent overmodulation To increase bandwidth To reduce bandwidth To regulate oscillator I/P voltage ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In TV systems, equalising pulses are sent during Horizontal retrace Vertical blanking Horizontal blanking Serrations Horizontal retrace Vertical blanking Horizontal blanking Serrations ANSWER DOWNLOAD EXAMIANS APP
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