Microwave Communication Coupling into and out of a traveling-wave tube can be accompanied by a Waveguide match Direct coax-helix match Cavity match All of these Waveguide match Direct coax-helix match Cavity match All of these ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication At what position is the input signal inserted into a traveling-wave tube? At the collector At the cathode end of the helix At the collector end of the helix At the control grid of the electron gun At the collector At the cathode end of the helix At the collector end of the helix At the control grid of the electron gun 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 To focus the beam of primary electrons As a second anode and to prevent the build-up of secondary field To shield the electron beam from unidirectional magnetic All of these To focus the beam of primary electrons As a second anode and to prevent the build-up of secondary field ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication To achieve good bearing resolution when using a pulsed-radar set, an important requirement is 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 A narrow, antenna-beam width in the horizontal plane A low repetition rate ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In a pulsed radar set, the STC circuit is used to Increases receiver sensitivity for echoes from targets Reduce interference from the effects of sea return Improve the target bearing resolution Vary the pulse frequency in order to control the maximum target Increases receiver sensitivity for echoes from targets Reduce interference from the effects of sea return Improve the target bearing resolution Vary the pulse frequency in order to control the maximum target ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following is used as an oscillator device in the SHF band? Klystron tube Thyratron tube Both B and C Tunnel diode Klystron tube Thyratron tube Both B and C Tunnel diode ANSWER DOWNLOAD EXAMIANS APP
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