Microwave Communication The resonant frequency of a cavity resonator depends upon Its physical dimensions The mode of operation Its electrical dimensions The capacitor which tunes it Its physical dimensions The mode of operation Its electrical dimensions The capacitor which tunes it ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication As the electron beam moves through a klystron’s intercavity drift space Phase modulation at the input cavity creates velocity modulation at the output cavity. Density modulation at the input cavity creates velocity modulation at the output cavity Frequency modulation at the input cavity creates velocity modulation at the output cavity Velocity modulation at the input cavity creates density modulation at the output cavity Phase modulation at the input cavity creates velocity modulation at the output cavity. Density modulation at the input cavity creates velocity modulation at the output cavity Frequency modulation at the input cavity creates velocity modulation at the output cavity Velocity modulation at the input cavity creates density modulation at the output cavity ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The coarse frequency adjustment of a reflex klystron is accomplished by The AFC system Varying the repeller voltage An adjustment in the synchronizer Adjusting the flexible wall of the resonant cavity The AFC system Varying the repeller voltage An adjustment in the synchronizer Adjusting the flexible wall of the resonant cavity ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Theoretically electromagnetic radiation field strength varies in inverse proportion to the square of the distance, but when atmospheric attenuation effects and the absorption of the terrain are taken into account the attenuation can be as high as the inverse ___________ power of the distance. Fifth Third Fourth Sixth Fifth Third Fourth Sixth ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the reception problems below that is not due to multipath? Random Doppler shift Slow fading Delayed spreading Rayleigh fading Random Doppler shift Slow fading Delayed spreading Rayleigh fading 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 mode π/2 mode π/4 mode 2π mode π mode π/2 mode π/4 mode 2π mode ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS