Microwave Communication As the electron beam moves through a klystron’s intercavity drift space Velocity modulation at the input cavity creates density modulation at the output cavity Density modulation at the input cavity creates velocity modulation at the output cavity Phase modulation at the input cavity creates velocity modulation at the output cavity. Frequency modulation at the input cavity creates velocity modulation at the output cavity Velocity modulation at the input cavity creates density modulation at the output cavity Density modulation at the input cavity creates velocity modulation at the output cavity Phase modulation at the input cavity creates velocity modulation at the output cavity. Frequency modulation at the input cavity creates velocity modulation at the output cavity ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The coarse frequency adjustment of a reflex klystron is accomplished by 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 An adjustment in the synchronizer ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication If k-factor is greater than 1, the array beam is bent Towards the ionosphere, Away from the earth Towards the outer space Towards the earth Towards the ionosphere, Away from the earth Towards the outer space Towards the earth ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication It is possible to increase the maximum range of a radar equipment by All of these Narrowing the beam width and increasing the pulse duration Raising the peak power of the transmitter Lowering the pulse frequency All of these Narrowing the beam width and increasing the pulse duration Raising the peak power of the transmitter Lowering the pulse frequency ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication What is the purpose of the electromagnetic field which surrounds a traveling-wave tube? To velocity modulate the electron beam To accelerate the electron To keep the electrons from spreading out To slow down the signal on the helix To velocity modulate the electron beam To accelerate the electron To keep the electrons from spreading out To slow down the signal on the helix ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following is used as an oscillator device in the SHF band? Thyratron tube Tunnel diode Klystron tube Both B and C Thyratron tube Tunnel diode Klystron tube Both B and C ANSWER DOWNLOAD EXAMIANS APP
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