Microwave Communication In a radar-set receiver, the usual mixer stage is A silicon crystal A tunnel diode A Rochelle salts crystal And FET A silicon crystal A tunnel diode A Rochelle salts crystal And FET ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In a pulsed radar set, the STC circuit is used to Increases receiver sensitivity for echoes from targets Improve the target bearing resolution Vary the pulse frequency in order to control the maximum target Reduce interference from the effects of sea return Increases receiver sensitivity for echoes from targets Improve the target bearing resolution Vary the pulse frequency in order to control the maximum target Reduce interference from the effects of sea return 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 100 watts 10,000 watts 1,000,000 watts 1,000 watts 100 watts 10,000 watts 1,000,000 watts 1,000 watts ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication __________ is the progressive decrease of signal strength with increasing distance. Modulation Attenuation Radiation Propagation Modulation Attenuation Radiation Propagation 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 What is the purpose of the electromagnetic field which surrounds a traveling-wave tube? To keep the electrons from spreading out To slow down the signal on the helix To accelerate the electron To velocity modulate the electron beam To keep the electrons from spreading out To slow down the signal on the helix To accelerate the electron To velocity modulate the electron beam ANSWER DOWNLOAD EXAMIANS APP
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