Communication Systems A buffer amplifier is None of these A double-tuned amplifier A cathode follower stage A high gain D.C. amplifier None of these A double-tuned amplifier A cathode follower stage A high gain D.C. amplifier ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Circular polarization None of these Is useful in discrimination between reception of adjacent beams Involves critical alignment of transmitting and receiving antenna Is useful in reducing depolarization effect on received wave None of these Is useful in discrimination between reception of adjacent beams Involves critical alignment of transmitting and receiving antenna Is useful in reducing depolarization effect on received wave ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Under ordinary circumstances, impulse noise can be reduced in None of these AM only FM only Both AM and FM None of these AM only FM only Both AM and FM ANSWER DOWNLOAD EXAMIANS APP
Communication Systems To eliminate ghosts in the picture 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 Change the antenna orientation of location ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which of the following is a digital modulation technique? All PCM PSK DM All PCM PSK DM ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For a low level AM system, the amplifiers modulated stage must be Class C amplifiers Harmonic devices Non-linear devices Linear devices Class C amplifiers Harmonic devices Non-linear devices Linear devices ANSWER DOWNLOAD EXAMIANS APP
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