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 DOWNLOAD EXAMIANS APP
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 Isolator Circulator Simplex Magnetron Isolator Circulator Simplex ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A thin layer of dirt and grime coverts the reflecting surface of the parabolic dish of a radar set. The particular effect on the performance of the radar will be A reduction in horizontal resolution A decrease in gain No noticeable effect A decrease in range A reduction in horizontal resolution A decrease in gain No noticeable effect A decrease in range ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following permits a microwave signal to travel in one direction with virtually no loss, but severely attenuates any signal attempting to travel in the reverse direction? Circulator Wave trap Isolator Tunnel diode Circulator Wave trap Isolator Tunnel diode ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A traveling-wave tube (TWT) amplifies by virtue of The absorption of energy by the signal from an electron stream The energy contained the cavity resonators The effect of an external magnetic field The energy liberated form the collector The absorption of energy by the signal from an electron stream The energy contained the cavity resonators The effect of an external magnetic field The energy liberated form the collector ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Rainfall is an important factor for fading of radio waves at frequencies above 10 GHz 100 MHz 100 GHz 1 GHz 10 GHz 100 MHz 100 GHz 1 GHz ANSWER DOWNLOAD EXAMIANS APP
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