Communication Systems A cordless telephone using separate frequencies for transmission in base and portable units is known as Duplex arrangement Neither A nor B Half duplex arrangement Either A or B Duplex arrangement Neither A nor B Half duplex arrangement Either A or B ANSWER DOWNLOAD EXAMIANS APP
Communication Systems PAM stands for Pulse Amplitude Modulation Phase Amplitude Modulation Pulse Analogue Modulation Phase Analogue Modulation Pulse Amplitude Modulation Phase Amplitude Modulation Pulse Analogue Modulation Phase Analogue Modulation ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Assertion (A): In FM the frequency of the carrier is varied by the modulating voltageReason (R): FM and PM are two forms of angle modulation. Both A and R are correct but R is not correct explanation of A A is wrong but R is correct A is correct but R is wrong Both A and R are correct and R is correct explanation of A Both A and R are correct but R is not correct explanation of A A is wrong but R is correct A is correct but R is wrong Both A and R are correct and R is correct explanation of A 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 200 200 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 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A woofer should be fed from the input through a Low pass filter High pass filter Band stop filter Band pass filter Low pass filter High pass filter Band stop filter Band pass filter ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Under ordinary circumstances, impulse noise can be reduced in FM only Both AM and FM AM only None of these FM only Both AM and FM AM only None of these ANSWER DOWNLOAD EXAMIANS APP
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