Communication Systems To eliminate ghosts in the picture Connect a booster Change the antenna orientation of location Use a longer transmission line Twist the transmission line Connect a booster Change the antenna orientation of location Use a longer transmission line Twist the transmission line ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A three stage telephone switching structure is to have 128 input and 128 output terminals. There are 16 first stage and 16 third stage matrices. To avoid blocking the number of intermediate paths required is 16 1 15 8 16 1 15 8 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Commercial Frequency deviation of FM is 70 kHz 75 kHz 65 kHz 80 kHz 70 kHz 75 kHz 65 kHz 80 kHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In a FM receiver, amplitude limiter Eliminates any change in amplitude of received FM signals None of these Amplifiers low frequency signals Reduces the amplitude of signals Eliminates any change in amplitude of received FM signals None of these Amplifiers low frequency signals Reduces the amplitude of signals ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The modulation index of an FM is changed from 0 to 1. How does the transmitted power change? Gets halved Remains unchanged Gets increased by 50 percent Gets doubled Gets halved Remains unchanged Gets increased by 50 percent Gets doubled ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In practical commercial FM system, channel bandwidth is 108 MHz 150 kHz 100 kHz 88 MHz 108 MHz 150 kHz 100 kHz 88 MHz ANSWER DOWNLOAD EXAMIANS APP
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