Microwave Communication In an SHF pulsed radar set, a reflex klystron can be used as a Duplexer stage Local oscillator Transmitter oscillator Single mixer stage Duplexer stage Local oscillator Transmitter oscillator Single mixer stage ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following is used as a high power microwave oscillator? Klystron Thyratron Magnetron Reflex-klystron Klystron Thyratron Magnetron Reflex-klystron ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Calculate the effective earth’s radius if the surface refractivity is 301. 8493 km 8493 mmi 6370 km 6370 mi 8493 km 8493 mmi 6370 km 6370 mi ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication If the instantaneous RF potentials on the two sides of a magnetron cavity are of opposite polarity, the operation is in the π/2 mode 2π mode π/4 mode π mode π/2 mode 2π mode π/4 mode π mode 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 100 watts 1,000,000 watts 10,000 watts 1,000 watts 100 watts 1,000,000 watts 10,000 watts 1,000 watts 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 doubled May be decreased Must be increased Must remain as before Must be doubled May be decreased Must be increased ANSWER DOWNLOAD EXAMIANS APP
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