Microwave Communication Which of the following is used as a high power microwave oscillator? Klystron Thyratron Reflex-klystron Magnetron Klystron Thyratron Reflex-klystron Magnetron ANSWER DOWNLOAD EXAMIANS APP
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 watts 1,000,000 watts 10,000 watts 100 watts 1,000 watts 1,000,000 watts 10,000 watts 100 watts ANSWER DOWNLOAD EXAMIANS APP
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. Sixth Third Fifth Fourth Sixth Third Fifth Fourth ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The maximum usable range of the usual radar set (on any particular range setting) is determined by The duty cycle The width of the transmitted pulses The bandwidth of the receiver IF stages The interval between transmitted pulses The duty cycle The width of the transmitted pulses The bandwidth of the receiver IF stages The interval between transmitted pulses ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication When it is desired that short-range targets be clearly seen on a pulsed-radar set, it is important that the receiver and display system have The restricted high-frequency response Low-pass filters A long time constant The shortest possible time The restricted high-frequency response Low-pass filters A long time constant The shortest possible time 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 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 Output power would increase ANSWER DOWNLOAD EXAMIANS APP
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