Microwave Communication A traveling-wave tube (TWT) amplifies by virtue of The effect of an external magnetic field The energy contained the cavity resonators The energy liberated form the collector The absorption of energy by the signal from an electron stream The effect of an external magnetic field The energy contained the cavity resonators The energy liberated form the collector The absorption of energy by the signal from an electron stream ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following operating frequencies is used for the modern loran navigational system? Loran C: 100 kHz Loran A: 1950 kHz Loran B: 900 kHz Loran D: 10.2 kHz Loran C: 100 kHz Loran A: 1950 kHz Loran B: 900 kHz Loran D: 10.2 kHz ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The aquadag coating on the inside of PPI tube is used All of these To focus the beam of primary electrons To shield the electron beam from unidirectional magnetic As a second anode and to prevent the build-up of secondary field All of these To focus the beam of primary electrons To shield the electron beam from unidirectional magnetic As a second anode and to prevent the build-up of secondary field ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication __________ is the progressive decrease of signal strength with increasing distance. Radiation Modulation Attenuation Propagation Radiation Modulation Attenuation Propagation ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication In an SHF pulsed radar set, a reflex klystron can be used as a Transmitter oscillator Duplexer stage Local oscillator Single mixer stage Transmitter oscillator Duplexer stage Local oscillator Single mixer stage ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A reflex klystron is oscillating at the frequency of its resonant cavity. If the reflector voltage is made slightly less negative, the Output power would increase Oscillation will cease Bunching would occur earlier in time The frequency will decrease Output power would increase Oscillation will cease Bunching would occur earlier in time The frequency will decrease ANSWER DOWNLOAD EXAMIANS APP
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