Microwave Communication What allow microwave to pass in only one direction? RF emitter Capacitor Varactor-triac Ferrite emitter RF emitter Capacitor Varactor-triac Ferrite emitter ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following is used as a high power microwave oscillator? Reflex-klystron Thyratron Klystron Magnetron Reflex-klystron Thyratron Klystron Magnetron ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The main frequency determining element of a klystron is The accelerating voltage The repeller voltage Its mode of operation Its resonant cavity The accelerating voltage The repeller voltage Its mode of operation Its resonant cavity ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The highest frequency which a conventional vacuum tube oscillator can generate is not limited by the Degree of emission from the cathode Distributed lead inductance Electron transit time Inter-electrode capacitance Degree of emission from the cathode Distributed lead inductance Electron transit time Inter-electrode capacitance ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The cavity resonator Produces a frequency which is independent of the cavity size. Has a low Q factor for narrow operation. Is equivalent to an LC resonant circuit In a reflect klystron has its output taken from the reflector plate Produces a frequency which is independent of the cavity size. Has a low Q factor for narrow operation. Is equivalent to an LC resonant circuit In a reflect klystron has its output taken from the reflector plate 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 Must remain as before Must be increased May be decreased Must be doubled Must remain as before Must be increased May be decreased Must be doubled ANSWER DOWNLOAD EXAMIANS APP
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