Communication Systems As per Shannon-Hartley theorem, a noise less Gaussian channel has None of these Infinite capacity Zero capacity Small capacity None of these Infinite capacity Zero capacity Small capacity ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A buffer amplifier is None of these A cathode follower stage A high gain D.C. amplifier A double-tuned amplifier None of these A cathode follower stage A high gain D.C. amplifier A double-tuned amplifier ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Which of the following does not cause losses in optical fibre cables? Attenuation in glass Microbending Impurities Stepped index operation Attenuation in glass Microbending Impurities Stepped index operation ANSWER DOWNLOAD EXAMIANS APP
Communication Systems What is the purpose of peak clipper circuits in radio transmitters? To regulate oscillator I/P voltage To prevent overmodulation To reduce bandwidth To increase bandwidth To regulate oscillator I/P voltage To prevent overmodulation To reduce bandwidth To increase bandwidth ANSWER DOWNLOAD EXAMIANS APP
Communication Systems A modem is classified as low speed if data rate handled is Upto 600 bps Upto 400 bps Upto 250 bps Upto 100 bps Upto 600 bps Upto 400 bps Upto 250 bps Upto 100 bps ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In TV systems, equalising pulses are sent during Serrations Horizontal retrace Vertical blanking Horizontal blanking Serrations Horizontal retrace Vertical blanking Horizontal blanking ANSWER DOWNLOAD EXAMIANS APP