Microwave Communication In a pulsed radar set, the function of the duplexer is to All of these Prevent frequency drift in the klystron Aid in calibrating the display unit Allow the transmitter and the receiver to operate from a common antenna All of these Prevent frequency drift in the klystron Aid in calibrating the display unit Allow the transmitter and the receiver to operate from a common antenna ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Oscillators of a klystron tube are maintained By plate-to-cathode feedback By feedback between the accelerating grid and the repeller By circulating bunches of electrons within the cavities. By bunches of electrons passing the cavity grids By plate-to-cathode feedback By feedback between the accelerating grid and the repeller By circulating bunches of electrons within the cavities. By bunches of electrons passing the cavity grids 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 When it is desired that short-range targets be clearly seen on a pulsed-radar set, it is important that the receiver and display system have Low-pass filters A long time constant The restricted high-frequency response The shortest possible time Low-pass filters A long time constant The restricted high-frequency response The shortest possible time ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A Class-S Emergency Position-Indicating Radio Beacon (E.P.I.R.B) Must be capable of floating or being secured to a survival Must have its battery replaced after emergency use All of these May be tested during the first five minutes of any hour Must be capable of floating or being secured to a survival Must have its battery replaced after emergency use All of these May be tested during the first five minutes of any hour ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication To achieve good bearing resolution when using a pulsed-radar set, an important requirement is A narrow, antenna-beam width in the horizontal plane A low repetition rate A high duty cycle A narrow, antenna-beam width in the vertical plane A narrow, antenna-beam width in the horizontal plane A low repetition rate A high duty cycle A narrow, antenna-beam width in the vertical plane ANSWER DOWNLOAD EXAMIANS APP
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