Communication Systems For AM receivers the standard IF frequency is 1.07 MHz 106 kHz 10.7 MHz 455 kHz 1.07 MHz 106 kHz 10.7 MHz 455 kHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A telephone channel requires a bandwidth of about 10 kHz 1 kHz 3 kHz 50 kHz 10 kHz 1 kHz 3 kHz 50 kHz 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 100.1 200 and 10.01 200 and 1.01 200 and 200 200 and 100.1 200 and 10.01 200 and 1.01 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The colour of an object is decided by Reflected colour for opaque object and wavelength transmitted through it for transparent objects The reflected colour The wavelength transmitted through it None of these Reflected colour for opaque object and wavelength transmitted through it for transparent objects The reflected colour The wavelength transmitted through it None of these ANSWER DOWNLOAD EXAMIANS APP
Communication Systems To eliminate ghosts in the picture Twist the transmission line Use a longer transmission line Connect a booster Change the antenna orientation of location Twist the transmission line Use a longer transmission line Connect a booster Change the antenna orientation of location ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A zero mean white Gaussian noise is passed through an ideal low pass filter of bandwidth 10 kHz. The output of the samples so obtained would be Statistically independent Orthogonal Correlated Uncorrelated Statistically independent Orthogonal Correlated Uncorrelated ANSWER DOWNLOAD EXAMIANS APP