Microwave Communication What allow microwave to pass in only one direction? Capacitor Varactor-triac RF emitter Ferrite emitter Capacitor Varactor-triac RF emitter Ferrite emitter ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In a pulsed radar set, the function of the duplexer is to Aid in calibrating the display unit Allow the transmitter and the receiver to operate from a common antenna Prevent frequency drift in the klystron All of these Aid in calibrating the display unit Allow the transmitter and the receiver to operate from a common antenna Prevent frequency drift in the klystron All of these ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In an SHF pulsed radar set, a reflex klystron can be used as a Transmitter oscillator Duplexer stage Single mixer stage Local oscillator Transmitter oscillator Duplexer stage Single mixer stage Local oscillator ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Klystron oscillators are most often used in the frequency range of 300 to 3000 MHz 30 to 30000 MHz 3000 to 30000 MHz 10 to 10000 MHz 300 to 3000 MHz 30 to 30000 MHz 3000 to 30000 MHz 10 to 10000 MHz 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. Fourth Fifth Third Sixth Fourth Fifth Third Sixth ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The resonant frequency of a cavity resonator depends upon The mode of operation The capacitor which tunes it Its electrical dimensions Its physical dimensions The mode of operation The capacitor which tunes it Its electrical dimensions Its physical dimensions ANSWER DOWNLOAD EXAMIANS APP