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 π/4 mode π mode 2π mode π/2 mode π/4 mode π mode 2π mode ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The Gunn diode oscillator Depends on the formation of charge domain Is capable of generating continuous microwave power of the order of kilowatt Operates over a positive resistance characteristic Generates frequencies which are below 100 MHz Depends on the formation of charge domain Is capable of generating continuous microwave power of the order of kilowatt Operates over a positive resistance characteristic Generates frequencies which are below 100 MHz ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In microwave transmission using digital radio, what causes most intersymbol interference? Rayleigh fading Slow fading Random Doppler shift Delayed spreading Rayleigh fading Slow fading Random Doppler shift Delayed spreading ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The aquadag coating on the inside of PPI tube is used As a second anode and to prevent the build-up of secondary field To shield the electron beam from unidirectional magnetic To focus the beam of primary electrons All of these As a second anode and to prevent the build-up of secondary field To shield the electron beam from unidirectional magnetic To focus the beam of primary electrons All of these ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In a radar-set receiver, the usual mixer stage is A silicon crystal A Rochelle salts crystal And FET A tunnel diode A silicon crystal A Rochelle salts crystal And FET A tunnel diode 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 Bunching would occur earlier in time Output power would increase Oscillation will cease The frequency will decrease Bunching would occur earlier in time Output power would increase Oscillation will cease The frequency will decrease ANSWER DOWNLOAD EXAMIANS APP