Microwave Communication The highest frequency which a conventional vacuum tube oscillator can generate is not limited by the Distributed lead inductance Inter-electrode capacitance Degree of emission from the cathode Electron transit time Distributed lead inductance Inter-electrode capacitance Degree of emission from the cathode Electron transit time ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the reception problems below that is not due to multipath? Delayed spreading Random Doppler shift Rayleigh fading Slow fading Delayed spreading Random Doppler shift Rayleigh fading Slow fading ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A traveling-wave tube (TWT) amplifies by virtue of The energy liberated form the collector The effect of an external magnetic field The energy contained the cavity resonators The absorption of energy by the signal from an electron stream The energy liberated form the collector The effect of an external magnetic field The energy contained the cavity resonators The absorption of energy by the signal from an electron stream 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 1,000 watts 10,000 watts 100 watts 1,000,000 watts 1,000 watts 10,000 watts 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 2π mode π/2 mode π/4 mode π mode 2π mode π/2 mode π/4 mode π mode ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication If k-factor is greater than 1, the array beam is bent Towards the ionosphere, Towards the outer space Away from the earth Towards the earth Towards the ionosphere, Towards the outer space Away from the earth Towards the earth ANSWER DOWNLOAD EXAMIANS APP
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