Communication Systems In TV systems, equalising pulses are sent during Serrations Vertical blanking Horizontal blanking Horizontal retrace Serrations Vertical blanking Horizontal blanking Horizontal retrace ANSWER DOWNLOAD EXAMIANS APP
Communication Systems If in a broadcasting studio, a 1000 kHz carrier is modulated by an audio signal of frequency range 100-5000 kHz, the width of channel is __________ kHz. 5 4.9 995 10 5 4.9 995 10 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which of the following is used to generate PDM? Free running multi-vibrator Monostable multi-vibrator JK flip-flop Schmitt trigger Free running multi-vibrator Monostable multi-vibrator JK flip-flop Schmitt trigger ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which of the following is a digital modulation technique? DM All PSK PCM DM All PSK PCM ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In case of low level amplitude modulation system, the amplifiers following the modulated stage must be Class C amplifiers Non-linear devices Linear devices Harmonic devices Class C amplifiers Non-linear devices Linear devices Harmonic devices ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which one of the following is analog? Differential PCM Delta modulation PCM PWM Differential PCM Delta modulation PCM PWM ANSWER DOWNLOAD EXAMIANS APP
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