Communication Systems Which of the following is an indirect way of generating FM? Reactance FET modulator Armstrong modulator Varactor diode modulator Reactance bipolar transistor Reactance FET modulator Armstrong modulator Varactor diode modulator Reactance bipolar transistor ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which of the following is a digital modulation technique? All PSK PCM DM All PSK PCM DM ANSWER DOWNLOAD EXAMIANS APP
Communication Systems To eliminate ghosts in the picture Change the antenna orientation of location Twist the transmission line Use a longer transmission line Connect a booster Change the antenna orientation of location Twist the transmission line Use a longer transmission line Connect a booster ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A telephone channel requires a bandwidth of about 10 kHz 50 kHz 3 kHz 1 kHz 10 kHz 50 kHz 3 kHz 1 kHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which of the following is used to generate PDM? Schmitt trigger JK flip-flop Free running multi-vibrator Monostable multi-vibrator Schmitt trigger JK flip-flop Free running multi-vibrator Monostable multi-vibrator ANSWER DOWNLOAD EXAMIANS APP
Communication Systems An FM radio receiver which is tuned to a 91.6 MHz broadcast station may receive an image frequency of __________ MHz. 102.3 80.9 70.2 113 102.3 80.9 70.2 113 ANSWER DOWNLOAD EXAMIANS APP
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