Communication Systems A telephone channel requires a bandwidth of about 1 kHz 3 kHz 50 kHz 10 kHz 1 kHz 3 kHz 50 kHz 10 kHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems It is found that a ship to ship communication suffers from fading. This can be avoided by using Broad band antenna Space diversity Directional antenna Frequency diversity Broad band antenna Space diversity Directional antenna Frequency diversity ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The main function of a balanced modulator is to Suppress carrier signal in order to create a single-sideband or double sideband Limit noise picked by a receiver Produce balanced modulation of a carrier wave Produce 100% modulation Suppress carrier signal in order to create a single-sideband or double sideband Limit noise picked by a receiver Produce balanced modulation of a carrier wave Produce 100% modulation 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. 80.9 102.3 113 70.2 80.9 102.3 113 70.2 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which one of the following is analog? PWM Delta modulation PCM Differential PCM PWM Delta modulation PCM Differential PCM ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In TV systems, equalising pulses are sent during Horizontal blanking Vertical blanking Serrations Horizontal retrace Horizontal blanking Vertical blanking Serrations Horizontal retrace ANSWER DOWNLOAD EXAMIANS APP
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