Communication Systems The disadvantage of FM over AM is that High modulating power is needed High output power is needed Large bandwidth is required Noise is very high for high frequency High modulating power is needed High output power is needed Large bandwidth is required Noise is very high for high frequency ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Skip distance depends on time of day and angle of incidence. True False True False ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Commercial Frequency deviation of FM is 65 kHz 75 kHz 70 kHz 80 kHz 65 kHz 75 kHz 70 kHz 80 kHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Leak type bias is used in plate modulated class C amplifier to Prevent excessive grid current Increase the bandwidth Prevent tuned circuit damping Prevent over modulation Prevent excessive grid current Increase the bandwidth Prevent tuned circuit damping Prevent over modulation 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 1 16 15 8 1 16 15 8 ANSWER DOWNLOAD EXAMIANS APP
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
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