Microwave Communication Which of the following is used as an oscillator device in the SHF band? Both B and C Thyratron tube Klystron tube Tunnel diode Both B and C Thyratron tube Klystron tube Tunnel diode ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication What allow microwave to pass in only one direction? Ferrite emitter Varactor-triac Capacitor RF emitter Ferrite emitter Varactor-triac Capacitor RF emitter ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication When used in conjunction with a radar set, the purpose of an echo box is to provide an artificial target. To the tone of the pulse repetition Tune the magnetron to the correct frequency Which may be used to tune the radar receiver Which may be used to tune the radar synchronizer To the tone of the pulse repetition Tune the magnetron to the correct frequency Which may be used to tune the radar receiver Which may be used to tune the radar synchronizer ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Calculate the effective earth’s radius if the surface refractivity is 301. 8493 km 6370 mi 6370 km 8493 mmi 8493 km 6370 mi 6370 km 8493 mmi ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The coarse frequency adjustment of a reflex klystron is accomplished by Varying the repeller voltage The AFC system Adjusting the flexible wall of the resonant cavity An adjustment in the synchronizer Varying the repeller voltage The AFC system Adjusting the flexible wall of the resonant cavity An adjustment in the synchronizer ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The cavity resonator Has a low Q factor for narrow operation. Is equivalent to an LC resonant circuit Produces a frequency which is independent of the cavity size. In a reflect klystron has its output taken from the reflector plate Has a low Q factor for narrow operation. Is equivalent to an LC resonant circuit Produces a frequency which is independent of the cavity size. In a reflect klystron has its output taken from the reflector plate ANSWER DOWNLOAD EXAMIANS APP
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