Communication Systems The main function of a balanced modulator is to 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 Limit noise picked by a receiver ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Full duplex operation permits transmission in both directions at the same time. False True False True ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which of the following does not cause losses in optical fibre cables? Impurities Microbending Stepped index operation Attenuation in glass Impurities Microbending Stepped index operation Attenuation in glass ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Commercial Frequency deviation of FM is 70 kHz 75 kHz 80 kHz 65 kHz 70 kHz 75 kHz 80 kHz 65 kHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems SSB can be generated by Filter method Phase cancellation method Good attenuation characteristics All of these Filter method Phase cancellation method Good attenuation characteristics All of these ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which of the following is an indirect way of generating FM? Reactance FET modulator Armstrong modulator Varactor diode modulator Reactance bipolar transistor Reactance FET modulator Armstrong modulator Varactor diode modulator Reactance bipolar transistor ANSWER DOWNLOAD EXAMIANS APP