Communication Systems Commercial Frequency deviation of FM is 70 kHz 65 kHz 80 kHz 75 kHz 70 kHz 65 kHz 80 kHz 75 kHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The direction of rotation of a CD is Mostly anticlockwise but some times clockwise Anticlockwise Clockwise Clockwise or anticlockwise depending on frequency of data stored Mostly anticlockwise but some times clockwise Anticlockwise Clockwise Clockwise or anticlockwise depending on frequency of data stored 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 correct but R is wrong A is wrong but R is correct 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 correct but R is wrong A is wrong but R is correct Both A and R are correct and R is correct explanation of A ANSWER DOWNLOAD EXAMIANS APP
Communication Systems What is the purpose of peak clipper circuits in radio transmitters? To prevent overmodulation To regulate oscillator I/P voltage To reduce bandwidth To increase bandwidth To prevent overmodulation To regulate oscillator I/P voltage To reduce bandwidth To increase bandwidth ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For AM receivers the standard IF frequency is 106 kHz 1.07 MHz 455 kHz 10.7 MHz 106 kHz 1.07 MHz 455 kHz 10.7 MHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems SSB can be generated by All of these Good attenuation characteristics Filter method Phase cancellation method All of these Good attenuation characteristics Filter method Phase cancellation method ANSWER DOWNLOAD EXAMIANS APP
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