Microwave Communication Which of the following is used as an oscillator device in the SHF band? Klystron tube Thyratron tube Tunnel diode Both B and C Klystron tube Thyratron tube Tunnel diode Both B and C ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In a pulsed radar set, the STC circuit is used to Reduce interference from the effects of sea return Vary the pulse frequency in order to control the maximum target Increases receiver sensitivity for echoes from targets Improve the target bearing resolution Reduce interference from the effects of sea return Vary the pulse frequency in order to control the maximum target Increases receiver sensitivity for echoes from targets Improve the target bearing resolution ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Rainfall is an important factor for fading of radio waves at frequencies above 100 MHz 1 GHz 100 GHz 10 GHz 100 MHz 1 GHz 100 GHz 10 GHz ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The resonant frequency of a cavity resonator depends upon Its physical dimensions The capacitor which tunes it The mode of operation Its electrical dimensions Its physical dimensions The capacitor which tunes it The mode of operation Its electrical dimensions ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The aquadag coating on the inside of PPI tube is used 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 To shield the electron beam from unidirectional magnetic ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A shipboard equipment which measures the distance between the ship’s bottom and the ocean floor. Fathometer SONAR LORAN Echosounder Fathometer SONAR LORAN Echosounder ANSWER DOWNLOAD EXAMIANS APP
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