Communication Systems What is the purpose of peak clipper circuits in radio transmitters? To reduce bandwidth To regulate oscillator I/P voltage To prevent overmodulation To increase bandwidth To reduce bandwidth To regulate oscillator I/P voltage To prevent overmodulation To increase bandwidth ANSWER DOWNLOAD EXAMIANS APP
Communication Systems It is found that a ship to ship communication suffers from fading. This can be avoided by using Frequency diversity Space diversity Broad band antenna Directional antenna Frequency diversity Space diversity Broad band antenna Directional antenna ANSWER DOWNLOAD EXAMIANS APP
Communication Systems An FM radio receiver which is tuned to a 91.6 MHz broadcast station may receive an image frequency of __________ MHz. 70.2 80.9 102.3 113 70.2 80.9 102.3 113 ANSWER DOWNLOAD EXAMIANS APP
Communication Systems In TV systems, equalising pulses are sent during Serrations Vertical blanking Horizontal retrace Horizontal blanking Serrations Vertical blanking Horizontal retrace Horizontal blanking ANSWER DOWNLOAD EXAMIANS APP
Communication Systems For attenuation of high frequencies we should use Shunt capacitance Series capacitance Resistance Inductance Shunt capacitance Series capacitance Resistance Inductance ANSWER DOWNLOAD EXAMIANS APP
Communication Systems Skip distance depends on time of day and angle of incidence. False True False True ANSWER DOWNLOAD EXAMIANS APP