Microwave Communication Oscillators of a klystron tube are maintained By bunches of electrons passing the cavity grids By feedback between the accelerating grid and the repeller By plate-to-cathode feedback By circulating bunches of electrons within the cavities. By bunches of electrons passing the cavity grids By feedback between the accelerating grid and the repeller By plate-to-cathode feedback By circulating bunches of electrons within the cavities. 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 If the duration of the radar transmitted pulse, on a particular range of operation, is increased, the required bandwidth of the receiver’s IF amplifiers May be decreased Must be increased Must be doubled Must remain as before May be decreased Must be increased Must be doubled Must remain as before ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following is used as a high power microwave oscillator? Thyratron Reflex-klystron Klystron Magnetron Thyratron Reflex-klystron Klystron Magnetron 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 What ferrite device can be used instead of duplexer of isolate microwave transmitter and receiver when both are connected to the same antenna? Isolator Simplex Magnetron Circulator Isolator Simplex Magnetron Circulator ANSWER DOWNLOAD EXAMIANS APP
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