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 A PPI cathode-ray tube as used on a radar set Is used for receiver alignment Is used to check the percentage of modulation Indicates only the range of a target Indicates both the range and azimuth of a target Is used for receiver alignment Is used to check the percentage of modulation Indicates only the range of a target Indicates both the range and azimuth of a target ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A magnetron is operated at a duty cycle of 0.001. It has a peak power output of 100 kilo-watts. Its average power is 1,000 watts 100 watts 1,000,000 watts 10,000 watts 1,000 watts 100 watts 1,000,000 watts 10,000 watts ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following is used as a high power microwave oscillator? Magnetron Klystron Reflex-klystron Thyratron Magnetron Klystron Reflex-klystron Thyratron ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A traveling-wave tube (TWT) amplifies by virtue of The energy contained the cavity resonators The energy liberated form the collector The effect of an external magnetic field The absorption of energy by the signal from an electron stream The energy contained the cavity resonators The energy liberated form the collector The effect of an external magnetic field The absorption of energy by the signal from an electron stream 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 Magnetron Circulator Simplex Isolator Magnetron Circulator Simplex ANSWER DOWNLOAD EXAMIANS APP