Communication Systems DVD uses Laser beam for both recording and playback Video head for recording and laser beam for playback Laser beam for recording and video head for playback None of these Laser beam for both recording and playback Video head for recording and laser beam for playback Laser beam for recording and video head for playback None of these ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For a plate-modulated class C amplifier the plate supply voltage is E. The maximum plate cathode voltage could be almost high as 3E 4E 6E 2E 3E 4E 6E 2E ANSWER DOWNLOAD EXAMIANS APP
Communication Systems PAM stands for Phase Analogue Modulation Phase Amplitude Modulation Pulse Amplitude Modulation Pulse Analogue Modulation Phase Analogue Modulation Phase Amplitude Modulation Pulse Amplitude Modulation Pulse Analogue Modulation ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A buffer amplifier is A high gain D.C. amplifier A cathode follower stage A double-tuned amplifier None of these A high gain D.C. amplifier A cathode follower stage A double-tuned amplifier None of these ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In Modulation, “carrier” is Resultant wave Speech voltage to be transmitted Voltage for which frequency, phase or amplitude is varied Voltage with constant frequency, phase or amplitude Resultant wave Speech voltage to be transmitted Voltage for which frequency, phase or amplitude is varied Voltage with constant frequency, phase or amplitude ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A woofer should be fed from the input through a Band pass filter Band stop filter Low pass filter High pass filter Band pass filter Band stop filter Low pass filter High pass filter ANSWER DOWNLOAD EXAMIANS APP
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