Communication Systems The maximum power output of a standard A earth station over the total band allocated to satellite communication is about 0.5 kW 8 kW 20 kW 50 kW 0.5 kW 8 kW 20 kW 50 kW ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A cordless telephone using separate frequencies for transmission in base and portable units is known as Duplex arrangement Either A or B Neither A nor B Half duplex arrangement Duplex arrangement Either A or B Neither A nor B Half duplex arrangement ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For a given carrier wave, maximum undistorted power is transmitted when value of modulation is 0.5 1 0.8 0.5 1 0.8 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems An audio signal (say from 50 Hz to 10000 Hz) is frequency translated by a carrier having a frequency of 106 Hz. The values of initial (without frequency translation) and final (after frequency translation) fractional change in frequency from one band edge to the other are 200 and 10.01 200 and 1.01 200 and 200 200 and 100.1 200 and 10.01 200 and 1.01 200 and 200 200 and 100.1 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 80.9 102.3 70.2 113 80.9 102.3 70.2 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems As per Shannon-Hartley theorem, a noise less Gaussian channel has Infinite capacity None of these Small capacity Zero capacity Infinite capacity None of these Small capacity Zero capacity ANSWER DOWNLOAD EXAMIANS APP
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