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 70.2 113 80.9 102.3 70.2 113 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Under ordinary circumstances, impulse noise can be reduced in AM only Both AM and FM FM only None of these AM only Both AM and FM FM only None of these 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. A is correct but R is wrong Both A and R are correct but R is not correct explanation of A Both A and R are correct and R is correct explanation of A A is wrong but R is correct A is correct but R is wrong Both A and R are correct but R is not correct explanation of A Both A and R are correct and R is correct explanation of A A is wrong but R is correct ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which of the following is an indirect way of generating FM? Varactor diode modulator Reactance FET modulator Armstrong modulator Reactance bipolar transistor Varactor diode modulator Reactance FET modulator Armstrong modulator Reactance bipolar transistor ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The direction of rotation of a CD is Clockwise Clockwise or anticlockwise depending on frequency of data stored Anticlockwise Mostly anticlockwise but some times clockwise Clockwise Clockwise or anticlockwise depending on frequency of data stored Anticlockwise Mostly anticlockwise but some times clockwise ANSWER DOWNLOAD EXAMIANS APP
Communication Systems If sampling is done at the rate of 10 kHz. The bandwidth required is 35 kHz 1280 kHz 70 kHz 10 kHz 35 kHz 1280 kHz 70 kHz 10 kHz ANSWER DOWNLOAD EXAMIANS APP
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