Communication Systems Which of the following is an indirect way of generating FM? Varactor diode modulator Armstrong modulator Reactance bipolar transistor Reactance FET modulator Varactor diode modulator Armstrong modulator Reactance bipolar transistor Reactance FET modulator ANSWER DOWNLOAD EXAMIANS APP
Communication Systems If sampling is done at the rate of 10 kHz. The bandwidth required is 1280 kHz 10 kHz 70 kHz 35 kHz 1280 kHz 10 kHz 70 kHz 35 kHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A zero mean white Gaussian noise is passed through an ideal low pass filter of bandwidth 10 kHz. The output of the samples so obtained would be Correlated Orthogonal Statistically independent Uncorrelated Correlated Orthogonal Statistically independent Uncorrelated ANSWER DOWNLOAD EXAMIANS APP
Communication Systems It is found that a ship to ship communication suffers from fading. This can be avoided by using Frequency diversity Broad band antenna Space diversity Directional antenna Frequency diversity Broad band antenna Space diversity Directional antenna 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. 113 102.3 80.9 70.2 113 102.3 80.9 70.2 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which one of the following is analog? Delta modulation PCM Differential PCM PWM Delta modulation PCM Differential PCM PWM ANSWER DOWNLOAD EXAMIANS APP
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