Communication Systems What is the purpose of peak clipper circuits in radio transmitters? To reduce bandwidth To regulate oscillator I/P voltage To increase bandwidth To prevent overmodulation To reduce bandwidth To regulate oscillator I/P voltage To increase bandwidth To prevent overmodulation ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Full duplex operation permits transmission in both directions at the same time. True False True False 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 For a low level AM system, the amplifiers modulated stage must be Non-linear devices Linear devices Class C amplifiers Harmonic devices Non-linear devices Linear devices Class C amplifiers Harmonic devices 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 8 kW 20 kW 50 kW 0.5 kW 8 kW 20 kW 50 kW 0.5 kW ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A woofer should be fed from the input through a Band pass filter High pass filter Low pass filter Band stop filter Band pass filter High pass filter Low pass filter Band stop filter ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS