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 The aquadag coating on the inside of PPI tube is used To shield the electron beam from unidirectional magnetic All of these As a second anode and to prevent the build-up of secondary field To focus the beam of primary electrons To shield the electron beam from unidirectional magnetic All of these As a second anode and to prevent the build-up of secondary field To focus the beam of primary electrons 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 Fourth Third Sixth Fifth Fourth Third Sixth ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The maximum usable range of the usual radar set (on any particular range setting) is determined by The interval between transmitted pulses The width of the transmitted pulses The duty cycle The bandwidth of the receiver IF stages The interval between transmitted pulses The width of the transmitted pulses The duty cycle The bandwidth of the receiver IF stages ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In microwave transmission using digital radio, what causes most intersymbol interference? Random Doppler shift Rayleigh fading Delayed spreading Slow fading Random Doppler shift Rayleigh fading Delayed spreading Slow fading ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A reflex klystron is oscillating at the frequency of its resonant cavity. If the reflector voltage is made slightly less negative, the Output power would increase The frequency will decrease Bunching would occur earlier in time Oscillation will cease Output power would increase The frequency will decrease Bunching would occur earlier in time Oscillation will cease ANSWER DOWNLOAD EXAMIANS APP