Communication Systems For a given carrier wave, maximum undistorted power is transmitted when value of modulation is 1 0.5 0.8 1 0.5 0.8 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A buffer amplifier is A high gain D.C. amplifier A cathode follower stage None of these A double-tuned amplifier A high gain D.C. amplifier A cathode follower stage None of these A double-tuned amplifier ANSWER DOWNLOAD EXAMIANS APP
Communication Systems To eliminate ghosts in the picture Change the antenna orientation of location Use a longer transmission line Connect a booster Twist the transmission line Change the antenna orientation of location Use a longer transmission line Connect a booster Twist the transmission line ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which of the following is an indirect way of generating FM? Reactance FET modulator Varactor diode modulator Reactance bipolar transistor Armstrong modulator Reactance FET modulator Varactor diode modulator Reactance bipolar transistor Armstrong modulator ANSWER DOWNLOAD EXAMIANS APP
Communication Systems FM transmitting and receiving equipment as compared to AM equipment is Cheaper Costly None of these Almost equally costly Cheaper Costly None of these Almost equally costly ANSWER DOWNLOAD EXAMIANS APP
Communication Systems What is the purpose of peak clipper circuits in radio transmitters? To increase bandwidth To prevent overmodulation To reduce bandwidth To regulate oscillator I/P voltage To increase bandwidth To prevent overmodulation To reduce bandwidth To regulate oscillator I/P voltage ANSWER DOWNLOAD EXAMIANS APP
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