Communication Systems For attenuation of high frequencies we should use Resistance Series capacitance Inductance Shunt capacitance Resistance Series capacitance Inductance Shunt capacitance ANSWER DOWNLOAD EXAMIANS APP
Communication Systems One of the advantages of base modulation over collector modulation of a transistor class C amplifier is High power output per transistor Improved efficiency Better linearity The lower modulating power requirement High power output per transistor Improved efficiency Better linearity The lower modulating power requirement ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For a low level AM system, the amplifiers modulated stage must be Linear devices Harmonic devices Class C amplifiers Non-linear devices Linear devices Harmonic devices Class C amplifiers Non-linear devices ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In Modulation, “carrier” is Voltage for which frequency, phase or amplitude is varied Voltage with constant frequency, phase or amplitude Resultant wave Speech voltage to be transmitted Voltage for which frequency, phase or amplitude is varied Voltage with constant frequency, phase or amplitude Resultant wave Speech voltage to be transmitted ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For a given carrier wave, maximum undistorted power is transmitted when value of modulation is 0.8 1 0.5 0.8 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems SSB can be generated by Phase cancellation method Good attenuation characteristics All of these Filter method Phase cancellation method Good attenuation characteristics All of these Filter method ANSWER DOWNLOAD EXAMIANS APP
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