Communication Systems A modem is classified as low speed if data rate handled is Upto 400 bps Upto 600 bps Upto 100 bps Upto 250 bps Upto 400 bps Upto 600 bps Upto 100 bps Upto 250 bps ANSWER DOWNLOAD EXAMIANS APP
Communication Systems SSB can be generated by Phase cancellation method Filter method Good attenuation characteristics All of these Phase cancellation method Filter method Good attenuation characteristics All of these ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A buffer amplifier is None of these A double-tuned amplifier A cathode follower stage A high gain D.C. amplifier None of these A double-tuned amplifier A cathode follower stage A high gain D.C. amplifier ANSWER DOWNLOAD EXAMIANS APP
Communication Systems What is the purpose of peak clipper circuits in radio transmitters? To reduce bandwidth To increase bandwidth To prevent overmodulation To regulate oscillator I/P voltage To reduce bandwidth To increase bandwidth To prevent overmodulation To regulate oscillator I/P voltage ANSWER DOWNLOAD EXAMIANS APP
Communication Systems It is found that a ship to ship communication suffers from fading. This can be avoided by using Broad band antenna Space diversity Directional antenna Frequency diversity Broad band antenna Space diversity Directional antenna Frequency diversity ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A telephone channel requires a bandwidth of about 3 kHz 10 kHz 50 kHz 1 kHz 3 kHz 10 kHz 50 kHz 1 kHz ANSWER DOWNLOAD EXAMIANS APP