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 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? Wave trap Isolator Tunnel diode Circulator Wave trap Isolator Tunnel diode Circulator ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The coarse frequency adjustment of a reflex klystron is accomplished by Adjusting the flexible wall of the resonant cavity Varying the repeller voltage An adjustment in the synchronizer The AFC system Adjusting the flexible wall of the resonant cavity Varying the repeller voltage An adjustment in the synchronizer The AFC system ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The resonant frequency of a cavity resonator depends upon The capacitor which tunes it The mode of operation Its electrical dimensions Its physical dimensions The capacitor which tunes it The mode of operation Its electrical dimensions Its physical dimensions ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication To achieve good bearing resolution when using a pulsed-radar set, an important requirement is A high duty cycle A narrow, antenna-beam width in the horizontal plane A narrow, antenna-beam width in the vertical plane A low repetition rate A high duty cycle A narrow, antenna-beam width in the horizontal plane A narrow, antenna-beam width in the vertical plane A low repetition rate ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In a radar-set receiver, the usual mixer stage is A silicon crystal A Rochelle salts crystal A tunnel diode And FET A silicon crystal A Rochelle salts crystal A tunnel diode And FET ANSWER DOWNLOAD EXAMIANS APP