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 The highest frequency which a conventional vacuum tube oscillator can generate is not limited by the Degree of emission from the cathode Distributed lead inductance Electron transit time Inter-electrode capacitance Degree of emission from the cathode Distributed lead inductance Electron transit time Inter-electrode capacitance ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication It is possible to increase the maximum range of a radar equipment by Narrowing the beam width and increasing the pulse duration Raising the peak power of the transmitter All of these Lowering the pulse frequency Narrowing the beam width and increasing the pulse duration Raising the peak power of the transmitter All of these Lowering the pulse frequency ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In a pulsed radar set, the STC circuit is used to Improve the target bearing resolution Increases receiver sensitivity for echoes from targets Vary the pulse frequency in order to control the maximum target Reduce interference from the effects of sea return Improve the target bearing resolution Increases receiver sensitivity for echoes from targets Vary the pulse frequency in order to control the maximum target Reduce interference from the effects of sea return ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A PPI cathode-ray tube as used on a radar set Is used for receiver alignment Indicates only the range of a target Indicates both the range and azimuth of a target Is used to check the percentage of modulation Is used for receiver alignment Indicates only the range of a target Indicates both the range and azimuth of a target Is used to check the percentage of modulation ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Coupling into and out of a traveling-wave tube can be accompanied by a Cavity match Direct coax-helix match All of these Waveguide match Cavity match Direct coax-helix match All of these Waveguide match ANSWER DOWNLOAD EXAMIANS APP