Microwave Communication Rainfall is an important factor for fading of radio waves at frequencies above 100 MHz 1 GHz 10 GHz 100 GHz 100 MHz 1 GHz 10 GHz 100 GHz ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A PPI cathode-ray tube as used on a radar set Indicates only the range of a target Indicates both the range and azimuth of a target Is used to check the percentage of modulation Is used for receiver alignment Indicates only the range of a target Indicates both the range and azimuth of a target Is used to check the percentage of modulation Is used for receiver alignment ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Klystron oscillators are most often used in the frequency range of 300 to 3000 MHz 3000 to 30000 MHz 10 to 10000 MHz 30 to 30000 MHz 300 to 3000 MHz 3000 to 30000 MHz 10 to 10000 MHz 30 to 30000 MHz ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In a pulsed radar set, the function of the duplexer is to Aid in calibrating the display unit All of these Allow the transmitter and the receiver to operate from a common antenna Prevent frequency drift in the klystron Aid in calibrating the display unit All of these Allow the transmitter and the receiver to operate from a common antenna Prevent frequency drift in the klystron ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A reflex klystron is oscillating at the frequency of its resonant cavity. If the reflector voltage is made slightly less negative, the Output power would increase Oscillation will cease Bunching would occur earlier in time The frequency will decrease Output power would increase Oscillation will cease Bunching would occur earlier in time The frequency will decrease ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The Gunn diode oscillator Operates over a positive resistance characteristic Generates frequencies which are below 100 MHz Depends on the formation of charge domain Is capable of generating continuous microwave power of the order of kilowatt Operates over a positive resistance characteristic Generates frequencies which are below 100 MHz Depends on the formation of charge domain Is capable of generating continuous microwave power of the order of kilowatt ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS