Microwave Communication The frequency of the oscillation generated by a magnetron, is mainly determined by The ratio of the dc cathode voltage to the magnetic flux density The flux density of the external magnet The number of the cavity resonators The dimension of each cavity resonator The ratio of the dc cathode voltage to the magnetic flux density The flux density of the external magnet The number of the cavity resonators The dimension of each cavity resonator 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 The frequency will decrease Bunching would occur earlier in time Oscillation will cease Output power would increase The frequency will decrease Bunching would occur earlier in time Oscillation will cease Output power would increase 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. Third Fifth Fourth Sixth Third Fifth Fourth Sixth ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Klystron oscillators are most often used in the frequency range of 10 to 10000 MHz 3000 to 30000 MHz 300 to 3000 MHz 30 to 30000 MHz 10 to 10000 MHz 3000 to 30000 MHz 300 to 3000 MHz 30 to 30000 MHz ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Coupling into and out of a traveling-wave tube can be accompanied by a Cavity match All of these Waveguide match Direct coax-helix match Cavity match All of these Waveguide match Direct coax-helix match ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The Gunn diode oscillator Is capable of generating continuous microwave power of the order of kilowatt Depends on the formation of charge domain Generates frequencies which are below 100 MHz Operates over a positive resistance characteristic Is capable of generating continuous microwave power of the order of kilowatt Depends on the formation of charge domain Generates frequencies which are below 100 MHz Operates over a positive resistance characteristic ANSWER DOWNLOAD EXAMIANS APP
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