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Microwave Communication
A Class-S Emergency Position-Indicating Radio Beacon (E.P.I.R.B)
Must be capable of floating or being secured to a survival
Must have its battery replaced after emergency use
All of these
May be tested during the first five minutes of any hour
Must be capable of floating or being secured to a survival
Must have its battery replaced after emergency use
All of these
May be tested during the first five minutes of any hour
Answer
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Related Question
Microwave Communication
A high-power microwave pulse of the order of megawatts can be generated by a
Magnetron
Traveling-wave tube
Reflex klystron
Gunn diode
Magnetron
Traveling-wave tube
Reflex klystron
Gunn diode
Answer
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Microwave Communication
A reflex klystron is oscillating at the frequency of its resonant cavity. If the reflector voltage is made slightly less negative, the
The frequency will decrease
Bunching would occur earlier in time
Output power would increase
Oscillation will cease
The frequency will decrease
Bunching would occur earlier in time
Output power would increase
Oscillation will cease
Answer
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Microwave Communication
Klystron oscillators are most often used in the frequency range of
300 to 3000 MHz
10 to 10000 MHz
3000 to 30000 MHz
30 to 30000 MHz
300 to 3000 MHz
10 to 10000 MHz
3000 to 30000 MHz
30 to 30000 MHz
Answer
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Microwave Communication
The coarse frequency adjustment of a reflex klystron is accomplished by
Adjusting the flexible wall of the resonant cavity
Varying the repeller voltage
An adjustment in the synchronizer
The AFC system
Adjusting the flexible wall of the resonant cavity
Varying the repeller voltage
An adjustment in the synchronizer
The AFC system
Answer
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Microwave Communication
The main frequency determining element of a klystron is
The accelerating voltage
Its resonant cavity
The repeller voltage
Its mode of operation
The accelerating voltage
Its resonant cavity
The repeller voltage
Its mode of operation
Answer
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