Microwave Communication A traveling-wave tube (TWT) amplifies by virtue of The effect of an external magnetic field The energy contained the cavity resonators The absorption of energy by the signal from an electron stream The energy liberated form the collector The effect of an external magnetic field The energy contained the cavity resonators The absorption of energy by the signal from an electron stream The energy liberated form the collector ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A PPI cathode-ray tube as used on a radar set Is used to check the percentage of modulation Indicates only the range of a target Is used for receiver alignment Indicates both the range and azimuth of a target Is used to check the percentage of modulation Indicates only the range of a target Is used for receiver alignment Indicates both the range and azimuth of a target ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The coarse frequency adjustment of a reflex klystron is accomplished by An adjustment in the synchronizer Varying the repeller voltage Adjusting the flexible wall of the resonant cavity The AFC system An adjustment in the synchronizer Varying the repeller voltage Adjusting the flexible wall of the resonant cavity The AFC system ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Klystron oscillators are most often used in the frequency range of 300 to 3000 MHz 30 to 30000 MHz 10 to 10000 MHz 3000 to 30000 MHz 300 to 3000 MHz 30 to 30000 MHz 10 to 10000 MHz 3000 to 30000 MHz ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication If k-factor is greater than 1, the array beam is bent Away from the earth Towards the earth Towards the ionosphere, Towards the outer space Away from the earth Towards the earth Towards the ionosphere, Towards the outer space ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The Gunn diode oscillator Operates over a positive resistance characteristic Generates frequencies which are below 100 MHz Is capable of generating continuous microwave power of the order of kilowatt Depends on the formation of charge domain Operates over a positive resistance characteristic Generates frequencies which are below 100 MHz Is capable of generating continuous microwave power of the order of kilowatt Depends on the formation of charge domain ANSWER DOWNLOAD EXAMIANS APP
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