Communication Systems Which of the following is used to generate PDM? JK flip-flop Monostable multi-vibrator Schmitt trigger Free running multi-vibrator JK flip-flop Monostable multi-vibrator Schmitt trigger Free running multi-vibrator ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The maximum power output of a standard A earth station over the total band allocated to satellite communication is about 20 kW 0.5 kW 8 kW 50 kW 20 kW 0.5 kW 8 kW 50 kW ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A modem is classified as low speed if data rate handled is Upto 250 bps Upto 100 bps Upto 600 bps Upto 400 bps Upto 250 bps Upto 100 bps Upto 600 bps Upto 400 bps ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Full duplex operation permits transmission in both directions at the same time. False True False True 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 100.1 200 and 1.01 200 and 200 200 and 10.01 200 and 100.1 200 and 1.01 200 and 200 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems If output power of a radio receiver is doubled, its volume is increased by __________ dB. 1 -3 3 2 1 -3 3 2 ANSWER DOWNLOAD EXAMIANS APP
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