Microwave Communication When used in conjunction with a radar set, the purpose of an echo box is to provide an artificial target. Which may be used to tune the radar receiver Tune the magnetron to the correct frequency Which may be used to tune the radar synchronizer To the tone of the pulse repetition Which may be used to tune the radar receiver Tune the magnetron to the correct frequency Which may be used to tune the radar synchronizer To the tone of the pulse repetition ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The frequency of the oscillation generated by a magnetron, is mainly determined by The number of the cavity resonators The dimension of each cavity resonator The ratio of the dc cathode voltage to the magnetic flux density The flux density of the external magnet The number of the cavity resonators The dimension of each cavity resonator The ratio of the dc cathode voltage to the magnetic flux density The flux density of the external magnet ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which causes multipath or frequency selective fading? Further reflector Nearer reflector Large reflector Small reflector Further reflector Nearer reflector Large reflector Small reflector 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? Isolator Circulator Wave trap Tunnel diode Isolator Circulator Wave trap Tunnel diode ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The Gunn diode oscillator Generates frequencies which are below 100 MHz Operates over a positive resistance characteristic Is capable of generating continuous microwave power of the order of kilowatt Depends on the formation of charge domain Generates frequencies which are below 100 MHz Operates over a positive resistance characteristic Is capable of generating continuous microwave power of the order of kilowatt Depends on the formation of charge domain ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following is used as an oscillator device in the SHF band? Both B and C Klystron tube Thyratron tube Tunnel diode Both B and C Klystron tube Thyratron tube Tunnel diode ANSWER DOWNLOAD EXAMIANS APP
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