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Microwave Communication
Which of the following is used as a high power microwave oscillator?
Magnetron
Thyratron
Reflex-klystron
Klystron
Magnetron
Thyratron
Reflex-klystron
Klystron
Answer
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Related Question
Microwave Communication
A magnetron is operated at a duty cycle of 0.001. It has a peak power output of 100 kilo-watts. Its average power is
1,000,000 watts
100 watts
10,000 watts
1,000 watts
1,000,000 watts
100 watts
10,000 watts
1,000 watts
Answer
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Microwave Communication
Rainfall is an important factor for fading of radio waves at frequencies above
100 GHz
100 MHz
1 GHz
10 GHz
100 GHz
100 MHz
1 GHz
10 GHz
Answer
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Microwave Communication
Theoretically electromagnetic radiation field strength varies in inverse proportion to the square of the distance, but when atmospheric attenuation effects and the absorption of the terrain are taken into account the attenuation can be as high as the inverse ___________ power of the distance.
Fifth
Fourth
Third
Sixth
Fifth
Fourth
Third
Sixth
Answer
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Microwave Communication
When used in conjunction with a radar set, the purpose of an echo box is to provide an artificial target.
Which may be used to tune the radar synchronizer
Which may be used to tune the radar receiver
To the tone of the pulse repetition
Tune the magnetron to the correct frequency
Which may be used to tune the radar synchronizer
Which may be used to tune the radar receiver
To the tone of the pulse repetition
Tune the magnetron to the correct frequency
Answer
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Microwave Communication
What ferrite device can be used instead of duplexer of isolate microwave transmitter and receiver when both are connected to the same antenna?
Magnetron
Simplex
Circulator
Isolator
Magnetron
Simplex
Circulator
Isolator
Answer
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