Communication Systems In Modulation, “carrier” is Voltage with constant frequency, phase or amplitude Voltage for which frequency, phase or amplitude is varied Speech voltage to be transmitted Resultant wave Voltage with constant frequency, phase or amplitude Voltage for which frequency, phase or amplitude is varied Speech voltage to be transmitted Resultant wave ANSWER DOWNLOAD EXAMIANS APP
Communication Systems If sampling is done at the rate of 10 kHz. The bandwidth required is 1280 kHz 10 kHz 70 kHz 35 kHz 1280 kHz 10 kHz 70 kHz 35 kHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In case of low level amplitude modulation system, the amplifiers following the modulated stage must be Non-linear devices Class C amplifiers Harmonic devices Linear devices Non-linear devices Class C amplifiers Harmonic devices Linear devices ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For attenuation of high frequencies we should use Inductance Shunt capacitance Resistance Series capacitance Inductance Shunt capacitance Resistance Series capacitance ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Commercial Frequency deviation of FM is 75 kHz 65 kHz 80 kHz 70 kHz 75 kHz 65 kHz 80 kHz 70 kHz ANSWER DOWNLOAD EXAMIANS APP
Communication Systems SSB can be generated by All of these Phase cancellation method Filter method Good attenuation characteristics All of these Phase cancellation method Filter method Good attenuation characteristics ANSWER DOWNLOAD EXAMIANS APP
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