Communication Systems SSB can be generated by Filter method Good attenuation characteristics All of these Phase cancellation method Filter method Good attenuation characteristics All of these Phase cancellation method ANSWER DOWNLOAD EXAMIANS APP
Communication Systems The modulation index of an FM is changed from 0 to 1. How does the transmitted power change? Remains unchanged Gets doubled Gets increased by 50 percent Gets halved Remains unchanged Gets doubled Gets increased by 50 percent Gets halved ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In a FM receiver, amplitude limiter Eliminates any change in amplitude of received FM signals Amplifiers low frequency signals Reduces the amplitude of signals None of these Eliminates any change in amplitude of received FM signals Amplifiers low frequency signals Reduces the amplitude of signals None of these ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which one of the following is analog? Delta modulation Differential PCM PCM PWM Delta modulation Differential PCM PCM PWM ANSWER DOWNLOAD EXAMIANS APP
Communication Systems What is the purpose of peak clipper circuits in radio transmitters? To prevent overmodulation To regulate oscillator I/P voltage To increase bandwidth To reduce bandwidth To prevent overmodulation To regulate oscillator I/P voltage To increase bandwidth To reduce bandwidth 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
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