Communication Systems Which one of the following is analog? PCM PWM Delta modulation Differential PCM PCM PWM Delta modulation Differential PCM ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Commercial Frequency deviation of FM is 70 kHz 65 kHz 75 kHz 80 kHz 70 kHz 65 kHz 75 kHz 80 kHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The main function of a balanced modulator is to Limit noise picked by a receiver Produce 100% modulation Suppress carrier signal in order to create a single-sideband or double sideband Produce balanced modulation of a carrier wave Limit noise picked by a receiver Produce 100% modulation Suppress carrier signal in order to create a single-sideband or double sideband Produce balanced modulation of a carrier wave ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For AM receivers the standard IF frequency is 455 kHz 10.7 MHz 1.07 MHz 106 kHz 455 kHz 10.7 MHz 1.07 MHz 106 kHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems An FM radio receiver which is tuned to a 91.6 MHz broadcast station may receive an image frequency of __________ MHz. 102.3 80.9 113 70.2 102.3 80.9 113 70.2 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For a plate-modulated class C amplifier the plate supply voltage is E. The maximum plate cathode voltage could be almost high as 2E 6E 4E 3E 2E 6E 4E 3E ANSWER DOWNLOAD EXAMIANS APP